The Chief Cause Of Human Errors Is

Conquer Yourself Rather Than The World.

Everybody Thinks Himself So Well Supplied With Common Sense That Even Those Most Difficult To Please. . . Never Desire More Of It Than They Already Have.

Variant: When It Is Not In Our Power To Follow What Is True, We Ought To Follow What Is Most Probable.

For How Do We Know That The Thoughts Which Occur In Dreaming Are False Rather Than Those Others Which We Experience When Awake, Since The Former Are Often Not Less Vivid And Distinct Than The Latter?

How Do We Know That Anything Really Exists, That Anything Is Really The Way It Seems Ot Us Through Our Senses?