If ... It Is Not In My

He Lives Well Who Is Well Hidden.

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.

De Omnibus Dubitandum

It Must Not Be Thought That It Is Ever Possible To Reach The Interior Earth By Any Perseverance In Mining: Both Because The Exterior Earth Is Too Thick, In Comparison With Human Strength; And Especially Because Of The Intermediate Waters, Which Would Gush Forth With Greater Impetus, The Deeper The Place In Which Their Veins Were First Opened; And Which Would Drown All Miners.

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.