The Step Between Genius And Insanity Is

The History Of Scientific And Technical Discovery Teaches Us That The Human Race Is Poor In Independent And Creative Imagination. Even When The External And Scientific Requirements For The Birth Of An Idea Have Long Been There, It Generally Needs An External Stimulus To Make It Actually Happen; Man Has, So To Speak, To Stumble Right Up Against The Thing Before The Idea Comes.

The Thinking That Got Us To Where We Are Is Not The Thinking That Will Get Us To Where We Want To Be.

I Never Failed In Mathematics. Before I Was Fifteen I Had Mastered Differential And Integral Calculus.

The More I Learn, The More I Realize I Don't Know.

The Fear Of Death Is The Most Unjustified Of All Fears, For There's No Risk Of Accident For Someone Who's Dead.