For a list of all the ways technology has failed to improve the quality of life, please press three.
I confess freely to you, I could never look long upon a monkey, without very mortifying reflections.
We should be eternally vigilant against attempts to check the expression of opinions that we loathe.
I just had a crazy, wild imagination all my life, and science fiction is the greatest outlet for me.
Mars is the only place in the solar system where it's possible for life to become multi-planetarian.
To excavate is to open a book written in the language that the centuries have spoken into the earth.
Every movement in the skies or upon the earth proclaims to us that the universe is under government.
The price one pays for pursuing any profession or calling is an intimate knowledge of its ugly side.
The best way of increasing the [average] intelligence of scientists would be to reduce their number.
We have forgotten how to be good guests, how to walk lightly on the earth as its other creatures do.
The aim of science is not to open the door to infinite wisdom, but to set a limit to infinite error.
The materials of wealth are in the earth, in the seas, and in their natural and unaided productions.
I trust I may be enabled in the treatment of patients always to act with a single eye to their good.
The construction of the universe is certainly very much easier to explain than is that of the plant.
The more thoroughly I conduct scientific research, the more I believe that science excludes atheism.
[Science is] a great game. It is inspiring and refreshing. The playing field is the universe itself.
One of the most beautiful hypotheses ever propounded in physics is ... the Dynamical Theory of Gases