Well, Since Paradoxes Are At

Oh, My Dear Kepler, How I Wish That We Could Have One Hearty Laugh Together. Here, At Padua, Is The Principal Professor Of Philosophy, Whom I Have Repeatedly And Urgently Requested To Look At The Moon And Planets Through My Glass, [telescope] Which He Pertinaciously Refuses To Do. Why Are You Not Here? What Shouts Of Laughter We Should Have At This Glorious Folly! And To Hear The Professor Of Philosophy At Pisa Laboring Before The Grand Duke With Logical Arguments, As If With Magical Incantations, To Charm The New Planets Out Of The Sky.

Where The Senses Fail Us, Reason Must Step In.

To Excite In Us Tastes, Odors, And Sounds I Believe That Nothing Is Required In External Bodies Except Shapes, Numbers, And Slow Or Rapid Movements. ... If Ears, Tongues, And Noses Were Removed, Shapes And Numbers And Motions Would Remain, But Not Odors Or Tastes Or Sounds.

You Cannot Teach A Person Something He Does Not Already Know, You Can Only Bring What He Does Know To His Awareness.

Nothing Occurs Contrary To Nature Except The Impossible, And That Never Occurs.