Discovery consists in seeing what everyone else has seen and thinking what no one else has thought.
Albert Szent-Gyorgi  , 1937 Nobel Prize in Physiology and Medicine

Enzymes are things invented by biologists that explain things which otherwise require harder thinking.
Jerome Lettvin 

Errors using inadequate data are much less than those using no data at all.
Charles Babbage 

Every body continues in its state of rest or uniform motion in a straight line, except insofar as it doesn't.
Arthur Eddington, Sir 

Everything should be as simple as it is, but not simpler.
Albert Einstein (1879-1955) 

For every problem, there is one solution which is simple, neat and wrong.
Henry Louis Mencken (1880-1956) 

Freedom from the desire for an answer is essential to the understanding of a problem.
J. Krishnamurti 

Genius not only diagnoses the situation but supplies the answers.
Robert Graves 

Gravitation cannot be held responsible for people falling in love.
Albert Einstein (1879-1955) 

Gravity - It's not just a good idea, it's the Law!
NASA briefing slide