In Order To Improve The Mind, We

If I Simply Refrain From Making A Judgment In Cases Where I Do Not Perceive The Truth With Sufficient Clarity And Distinctness, Then It Is Clear That I Am Behaving Correctly And Avoiding Error.

Whatever I Have Up Till Now Accepted As Most True And Assured I Have Gotten Either From The Senses Or Through The Senses. But From Time To Time I Have Found That The Senses Deceive, And It Is Prudent Never To Trust Completely Those Who Have Deceived Us Even Once.

There Is A Great Difference Between Mind And Body Insomuch As Body Is By Nature Always Divisible, And The Mind Is Entirely Indivisible.

If We Possessed A Thorough Knowledge Of All The Parts Of The Seed Of Any Animal (e.g. Man), We Could From That Alone, Be Reasons Entirely Mathematical And Certain, Deduce The Whole Conformation And Figure Of Each Of Its Members, And, Conversely If We Knew Several Peculiarities Of This Conformation, We Would From Those Deduce The Nature Of Its Seed.

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