Wonder Is The First Of All The

I Am Thinking, Therefore I Exist. (...) I Was A Substance Whose Whole Essence Or Nature Is Solely To Think, And Which Does Not Require Any Place, Or Depend On Any Material Thing, In Order To Exist. Accordingly This 'i' - That Is, The Soul By Which I Am What I Am - Is Entirely Distinct From The Body, And Indeed Is Easier To Know Than The Body, And Would Not Fail To Be Whatever It Is, Even If The Body Did Not Exist.

So Blind Is The Curiosity By Which Mortals Are Possessed, That They Often Conduct Their Minds Along Unexplored Routes, Having No Reason To Hope For Success, But Merely Being Willing To Risk The Experiment Of Finding Whether The Truth They Seek Lies There.

If You Would Be A Real Seeker After Truth, It Is Necessary That At Least Once In Your Life You Doubt, As Far As Possible, All Things.

Even If I Were To Suppose That I Was Dreaming And Whatever I Saw Or Imagined Was False, Yet I Could Not Deny That Ideas Were Truly In My Mind.

Doubt Is The Origin Of Wisdom