If doing something with second-rate effort satisfies you, find something else to do - where only your best effort will satisfy you personally.

Human beings are just animals who will just eat and take advantage of any source of energy until it runs out, and then there'll be catastrophe.

No evidence compels the conclusion that the minimum required intake of any vitamin comes close to the optimum intake that sustains good health.

The more I know, the more nearly is my faith that of the Breton peasant. Could I but know all I would have the faith of a Breton peasant woman.

Our ignorance allowed us to live, as you are in the mountains, and your rope is frayed and about to break, but you don't know it and feel safe.

Psychedelic drugs don't change you - they don't change your character - unless you want to be changed. They enable change; they can't impose it.

For my part, I wish all guns with their belongings and everything could be sent to hell, which is the proper place for their exhibition and use.

The Swedish Academy of Sciences has seen fit, by awarding the Nobel Prize, to honour the method of producing ammonia from nitrogen and hydrogen.

A child of the new generation Refused to learn multiplication. He said 'Don't conclude That I'm stupid or rude; I am simply without motivation.'

One can state, without exaggeration, that the observation of and the search for similarities and differences are the basis of all human knowledge.

Anyone who has obeyed nature by transmitting a piece of gossip experiences the explosive relief that accompanies the satisfying of a primary need.

My own interest in basic aspects of electron transfer between metal complexes became active only after I came to the University of Chicago in 1946.

At Arcueil ... I dined in distinguished company... There was a lot of very interesting discussion. It is these gatherings which are the joy of life.

How do you know that the incessant progress of science will not compel scientists to consider that life has existed during eternity, and not matter?

At first the English were very surprised by our disregarding the Hague Convention. But from 1916 onward they used at least as much poison as we did.

More by example than by word, my father taught me logical reasoning, compassion, love of others, honesty, and discipline applied with understanding.

The power to destroy the world by the use of nuclear weapons is a power that cannot be used - we cannot accept the idea of such monstrous immorality.

The experience reminds me of a favorite saying: Most of the yield from research efforts comes from the coal that is mined while looking for diamonds.

Chemistry begins in the stars. The stars are the source of the chemical elements, which are the building blocks of matter and the core of our subject.

Even in my neighborhood, the kids come to me for interviews for their term papers. I ask them later what grades they got, and they're always A-pluses.

You honor me greatly and beyond my ability as an individual but in so doing you honor my colleagues also who made possible the results you have cited.

Cambridge was the place for someone from the Colonies or the Dominions to go on to, and it was to the Cavendish Laboratory that one went to do physics.

The whole of the hydrogen on the earth might be transformed at once and the success of the experiment published at large to the universe as a new star.

[My study of the universe] leaves little doubt that life has occurred on other planets. I doubt if the human race is the most intelligent form of life.

You've accepted a lot of things without evidence. Find out what the evidence is for that. Find out what the evidence is for everything that you accept.

The frontier orbital approach was further developed in various directions by my own group and many other scientists, both theoretical and experimental.

At this point I was strongly advised that I was too young socially to go to college so I took a second senior year at Andover, another boarding school.

I am a misanthrope and yet utterly benevolent, have more than one screw loose yet am a super-idealist who digests philosophy more efficiently than food.

The only true solution would be a convention under which all the governments would bind themselves to defend collectively any country that was attacked.

We never can tell how our lives may work to the account of the general good, and we are not wise enough to know if we have fulfilled our mission or not.

People must understand that science is inherently neither a potential for good nor for evil. It is a potential to be harnessed by man to do his bidding.

A painstaking course in qualitative and quantitative analysis by John Wing gave me an appreciation of the need for, and beauty of, accurate measurement.

Family trips to Yellowstone and to what are now national parks in Southern Utah, driving the primitive roads and cars of that day, were real adventures.

People who get Nobel prizes aren't necessarily the most imaginative of people. People who sometimes find a system, develop a system, do very useful work.

To explain new phenomena, that is my task; and how happy is the scientist when he finds what he so diligently sought, a pleasure that gladdens the heart.

I have no doubt that we will be successful in harnessing the sun's energy. If sunbeams were weapons of war, we would have had solar energy centuries ago.

Very few people do anything creative after the age of thirty-five. The reason is that very few people do anything creative before the age of thirty-five.

Well, it was kind of an accident, because plastic is not what I meant to invent. I had just sold photograph paper to Eastman Kodak for 1 million dollars.

One of the most lasting pleasures you can experience is the feeling that comes over you when you genuinely forgive an enemy - whether he knows it or not.

Chemists do not usually stutter. It would be very awkward if they did, seeing that they have at times to get out such words as methylethylamylophenylium.

This work made me more and more interested in biological matter, and I decided that I really wanted to work on the X-ray analysis of biological molecules.

Life is not a miracle. It is a natural phenomenon, and can be expected to appear whenever there is a planet whose conditions duplicate those of the earth.

I still dream about being on the space station with the feeling of being weightless. The weightlessness is the most amazing, relaxing and natural feeling.

As soon as science has solved one problem, new ones arise. This is the essence of science, and it applies, of course, also to the field of essential oils.

This field is not necessarily glamorous, nor does it often produce immediate results, but it seeks to increase our basic understanding of living processes.

I have no doubt that we will be successful in harnessing the sun's energy... If sunbeams were weapons of war, we would have had solar energy centuries ago.

Scientific discoveries matter much more when they're communicated simply and well - if you can't explain your work to the man in the pub, what's the point?

Humanism is a philosophy of joyous service for the greater good of all humanity, of application of new ideas of scientific progress for the benefit of all.

I like teaching and the contact with young minds keeps one on one's toes, but increasing responsibilities have forced me to shed much of it in recent years.

I have not the slightest pretension to call my verses poetry; I write now and then for no other purpose than to relieve depression or to improve my English.

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