All Sorrow Has Its Root In Man's

Human Life Is Thus Only A Perpetual Illusion; Men Deceive And Flatter Each Other. No One Speaks Of Us In Our Presence As He Does Of Us In Our Absence. Human Society Is Founded On Mutual Deceit; Few Friendships Would Endure If Each Knew What His Friend Said Of Him In His Absence, Although He Then Spoke In Sincerity And Without Passion.

I Would Inquire Of Reasonable Persons Whether This Principle: Matter Is Naturally Wholly Incapable Of Thought, And This Other: I Think, Therefore I Am, Are In Fact The Same In The Mind Of Descartes, And In That Of St. Augustine, Who Said The Same Thing Twelve Hundred Years Before.

A Few Rules Include All That Is Necessary For The Perfection Of The Definitions, The Axioms, And The Demonstrations, And Consequently Of The Entire Method Of The Geometrical Proofs Of The Art Of Persuading.

Desire And Force Between Them Are Responsible For All Our Actions; Desire Causes Our Voluntary Acts, Force Our Involuntary.

Our Senses Perceive No Extreme. Too Much Sound Deafens Us; Too Much Light Dazzles Us; Too Great Distance Or Proximity Hinders Ourview. Too Great Length And Too Great Brevity Of Discourse Tends To Obscurity; Too Much Truth Is Paralyzing.... In Short, Extremes Are For Us As Though They Were Not, And We Are Not Within Their Notice. They Escape Us, Or We Them.