Measure What Can Be Measured, And Make

I Cannot But Be Astonished That Sarsi Should Persist In Trying To Prove By Means Of Witnesses Something That I May See For Myself At Any Time By Means Of Experiment. Witnesses Are Examined In Doutbful Matters Which Are Past And Transient, Not In Those Which Are Actual And Present. A Judge Must Seek By Means Of Witnesses To Determine Whether Peter Injured John Last Night, But Not Whether John Was Injured, Since The Judge Can See That For Himself.

Nature Is Relentless And Unchangeable, And It Is Indifferent As To Whether Its Hidden Reasons And Actions Are Understandable To Man Or Not.

Nature . . . Is Inexorable And Immutable; She Never Transgresses The Laws Imposed Upon Her, Nor Cares A Whit Whether Her Abstruse Reasons And Methods Of Operations Are Understandable To Men.

Nonetheless, It Moves.

But, Because My Private Lectures And Domestic Pupils Are A Great Hinderance And Intteruption Of My Studies, I Wish To Live Entirely Exempt From The Former, And In Great Measure From The Latter. ... In Short, I Should Wish To Gain My Bread From My Writings.