I Think 99 Times And

The Individual Feels The Futility Of Human Desires And Aims And The Sublimity And Marvelous Order Which Reveal Themselves Both In Nature And In The World Of Thought.

If You Want To Find Out Anything From The Theoretical Physicists About The Methods They Use, I Advise You To Stick Closely To One Principle: Don't Listen To Their Words, Fix Your Attention On Their Deeds. To Him Who Is A Discoverer In This Field The Products Of His Imagination Appear So Necessary And Natural That He Regards Them, And Would Like To Have Them Regarded By Others, Not As Creations Of Thought But As Given Realities.

The Contemplation Of This World Beckoned As A Liberation (...)the Road To This Paradise Was Not As Comfortable And Alluring As The Road To The Religious Paradise; But It Has Shown Itself Reliable, And I Have Never Regretted Having Chosen It.

Do You Really Believe That The Moon Isn’t There When Nobody Looks?

It Is Certainly True That Principles Cannot Be More Securely Founded Than On Experience And Consciously Clear Thinking.