Time Is What The Clock Says.

The Man Of Science Is A Poor Philosopher.

... One Does People The Best Service By Giving Them Some Elevating Work To Do And Thus Indirectly Elevating Them.

A Theory Is The More Impressive The Greater The Simplicity Of Its Premises Is, The More Different Kinds Of Things It Relates, And The More Extended Its Area Of Applicability.

When The Special Theory Of Relativity Began To Germinate In Me, I Was Visited By All Sorts Of Nervous Conflicts... I Used To Go Away For Weeks In A State Of Confusion.

The Only Real Valuable Thing Is Intuition. The Intellect Has Little To Do On The Road To Discovery