Theories are like a stairway; by climbing, science widens its horizon more and more, because theories embody and necessarily include proportionately more facts as they advance.

Picture Quotes Maker

Top Authors

• Walt Whitman

  Poet

  Monday, May 31, 1819
  Saturday, Mar 26, 1892

• George Orwell

  Novelist

  Thursday, Jun 25, 1903
  Saturday, Jan 21, 1950

• Winston Churchill

  Former Prime Minister Of The United Kingdom

  Monday, Nov 30, 1874
  Sunday, Jan 24, 1965

• Nelson Mandela

  Former President Of South Africa

  Thursday, Jul 18, 1918
  Thursday, Dec 05, 2013

• Vince Lombardi

  Football Player

  Wednesday, Jun 11, 1913
  Thursday, Sep 03, 1970

• Oprah Winfrey

  Media Proprietor

  Friday, Jan 29, 1954
  

• Dwight D. Eisenhower

  34Th U.s. President

  Tuesday, Oct 14, 1890
  Friday, Mar 28, 1969

• William Blake

  Poet

  Monday, Nov 28, 1757
  Sunday, Aug 12, 1827

• Carl Sagan

  Astronomer

  Friday, Nov 09, 1934
  Friday, Dec 20, 1996

• Wayne Dyer

  Author

  Friday, May 10, 1940
  Saturday, Aug 29, 2015

• Muhammad Ali

  Professional Boxer

  Saturday, Jan 17, 1942
  Friday, Jun 03, 2016

• Rodney Dangerfield

  Comedian

  Tuesday, Nov 22, 1921
  Tuesday, Oct 05, 2004

• Les Brown

  Author

  Saturday, Feb 17, 1945
  

• Barack Obama

  44Th U.s. President

  Friday, Aug 04, 1961
  

• Pope John Paul Ii

  Priest

  Tuesday, May 18, 1920
  Saturday, Apr 02, 2005