The Universe Is A Friendly Place.

Since I Have Introduced This Term I Had Always A Bad Conscience. . . . I Cannot Help To Feel It Strongly And I Am Unable To Believe That Such An Ugly Thing Should Be Realized In Nature.

Pure Logical Thinking Cannot Yield Us Any Knowledge Of The Empirical World. All Knowledge Of Reality Starts From Experience And Ends In It.

I Have Become An Obstinate Heretic In The Eyes Of My Colleagues. Momentary Success Carries More Power Of Conviction Than Reflections Upon Principles.

All Conditions And All Circumstances In Our Lives Are A Result Of A Certain Level Of Thinking. If We Want To Change The Conditions And Circumstances, We Have To Change The Level Of Thinking That Is Responsible For It.

About Newton: Nature To Him Was An Open Book, Whose Letters He Could Read Without Effort.