It's A Sort Of Curious Phenomenon That

The World Can Only Be Grasped By Action, Not By Contemplation.

It Is A Mistake To Think Of Creative Activity As Something Unusual

[john] Dalton Was A Man Of Regular Habits. For Fifty-seven Years He Walked Out Of Manchester Every Day; He Measured The Rainfall, The Temperature-a Singularly Monotonous Enterprise In This Climate. Of All That Mass Of Data, Nothing Whatever Came. But Of The One Searching, Almost Childlike Question About The Weights That Enter The Construction Of These Simple Molecules-out Of That Came Modern Atomic Theory. That Is The Essence Of Science: Ask An Impertinent Question, And You Are On The Way To The Pertinent Answer.

Progress Is The Exploration Of Our Own Error.

Fifty Years From Now If An Understanding Of Man's Origins, His Evolution, His History, His Progress Is Not In The Common Place Of The School Books We Shall Not Exist.