Imagination Is The Highest Form Of Research.

Look Deep Into Nature, And Then You Will Understand Everything Better.

The Years Of Anxious Searching In The Dark, With Their Intense Longing, Their Alternations Of Confidence And Exhaustion And The Final Emergence Into The Light -- Only Those Who Have Experienced It Can Understand It.

Nonsense, Seems To Sum Up Everything.

What Interests Me Most Is Whether God Could Have Made The World Differently.

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