I Know That I Exist; The Question

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.

I Am Thing That Thinks: That Is, A Things That Doubts,affirms, Denies, Understands A Few Things, Is Ignorant Of Many Things, Is Willing, Is Unwilling, And Also Which Imagines And Has Sensory Perceptions.

All Is To Be Doubted.

In Philosophy, When We Make Use Of False Principles, We Depart The Farther From The Knowledge Of Truth And Wisdom Exactly In Proportion To The Care With Which We Cultivate Them, And Apply Ourselves To The Deduction Of Diverse Consequences From Them, Thinking That We Are Philosophizing Well, While We Are Only Departing The Farther From The Truth; From Which It Must Be Inferred That They Who Have Learned The Least Of All That Has Been Hitherto Distinguished By The Name Of Philosophy Are The Most Fitted For The Apprehension Of Truth.

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.