Give Me Extension And Motion And I

This Result Could Have Been Achieved Either By His [god] Endowing My Intellect With A Clear And Distinct Perception Of Everything About Which I Would Ever Deliberate, Or Simply By Impressing The Following Rule So Firmly Upon My Memory That I Could Never Forget It: I Should Never Judge Anything That I Do Not Clearly And Distinctly Understand.

Mathematics Is A More Powerful Instrument Of Knowledge Than Any Other That Has Been Bequeathed To Us By Human Agency.

If ... It Is Not In My Power To Arrive At The Knowledge Of Any Truth, I May At Least Do What Is In My Power, Namely, Suspend Judgement.

An Optimist May See A Light Where There Is None, But Why Must The Pessimist Always Run To Blow It Out?

We Never Understand A Thing So Well,and Make It Our Own, As When We Have Discovered It For Ourselves.