I Am Accustomed To Sleep And In

Situations In Life Often Permit No Delay; And When We Cannot Determine The Course Which Is Certainly Best, We Must Follow The One Which Is Probably The Best. This Frame Of Mind Freed Me Also From The Repentance And Remorse Commonly Felt By Those Vacillating Individuals Who Are Always Seeking As Worthwhile Things Which They Later Judge To Be Bad.

Doubt Is The Origin Of Wisdom

Science Is Practical Philosophy.

But I Cannot Forget That, At Other Times I Have Been Deceived In Sleep By Similar Illusions; And, Attentively Considering Those Cases, I Perceive So Clearly That There Exist No Certain Marks By Which The State Of Waking Can Ever Be Distinguished From Sleep, That I Feel Greatly Astonished; And In Amazement I Almost Persuade Myself That I Am Now Dreaming.

I Think; Therefore I Am.