My Mind Is My Laboratory.

The Theory Must Not Contradict Empirical Facts.

What A Deep Faith In The Rationality Of The Structure Of The World And What A Longing To Understand Even A Small Glimpse Of The Reason Revealed In The World There Must Have Been In Kepler And Newton To Enable Them To Unravel The Mechanism Of The Heavens In Long Years Of Lonely Work!

Thought Is The Organizing Factor In Man, Intersected Between The Causal Primary Instincts And The Resulting Actions.

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.

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