If Our Dreams Were More Regular, More

Everyone Is Free To Set Up An Opinion And To Adduce Proofs In Support Of It. Whether, Though, A Scientist Shall Find It Worth His While To Enter Into Serious Investigations Of Opinions So Advanced Is A Question Which His Reason And Instinct Alone Can Decide. If These Things, In The End, Should Turn Out To Be True, I Shall Not Be Ashamed Of Being The Last To Believe Them.

I Once Knew An Otherwise Excellent Teacher Who Compelled His Students To Perform All Their Demonstrations With Incorrect Figures, On The Theory That It Was The Logical Connection Of The Concepts, Not The Figure, That Was Essential.

A Movement That We Will To Execute Is Never More Than A Represented Movement, And Appears In A Different Domain From That Of The Executed Movement, Which Always Takes Place When The Image Is Vivid Enough.

I Can Accept The Theory Of Relativity As Little As I Can Accept The Existence Of Atoms And Other Such Dogmas.

Physics Is Experience, Arranged In Economical Order.