Nothing Can Be Taught To A Man,

In The Long Run My Observations Have Convinced Me That Some Men, Reasoning Preposterously, First Establish Some Conclusion In Their Minds Which, Either Because Of Its Being Their Own Or Because Of Their Having Received It From Some Person Who Has Their Entire Confidence, Impresses Them So Deeply That One Finds It Impossible Ever To Get It Out Of Their Heads.

That Sculpture Is More Admirable Than Painting For The Reason That It Contains Relief And Painting Does Not Is Completely False. ... Rather, How Much More Admirable The Painting Must Be Considered, If Having No Relief At All, It Appears To Have As Much As Sculpture!

In My Studies Of Astronomy And Philosophy I Hold This Opinion About The Universe, That The Sun Remains Fixed In The Centre Of The Circle Of Heavenly Bodies, Without Changing Its Place; And The Earth, Turning Upon Itself, Moves Round The Sun.

My Dear Kepler, What Would You Say Of The Learned Here, Who, Replete With The Pertinacity Of The Asp, Have Steadfastly Refused To Cast A Glance Through The Telescope? What Shall We Make Of This? Shall We Laugh, Or Shall We Cry?

It Vexes Me When They Would Constrain Science By The Authority Of The Scriptures, And Yet Do Not Consider Themselves Bound To Answer Reason And Experiment.