Nothing Appears More Surprising To Those, Who

Human Nature Is The Only Science Of Man; And Yet Has Been Hitherto The Most Neglected.

The Great Subverter Of Pyrrhonism Or The Excessive Principles Of Scepticism Is Action, And Employment, And The Occupations Of Common Life.

Happy The Man Whom Indulgent Fortune Allows To Pay To Virtue What He Owes To Nature, And To Make A Generous Gift Of What Must Otherwise Be Ravished From Him By Cruel Necessity.

There Is An Inconvenience Which Attends All Abstruse Reasoning. That It May Silence, Without Convincing An Antagonist, And Requires The Same Intense Study To Make Us Sensible Of Its Force, That Was At First Requisite For Its Invention. When We Leave Our Closet, And Engage In The Common Affairs Of Life, Its Conclusions Seem To Vanish, Like The Phantoms Of The Night On The Appearance Of The Morning; And 'tis Difficult For Us To Retain Even That Conviction, Which We Had Attain'd With Difficulty.

Nothing Is Demonstrable, Unless The Contrary Implies A Contradiction. Nothing, That Is Distinctly Conceivable, Implies A Contradiction. Whatever We Conceive As Existent, We Can Also Conceive As Non-existent. There Is No Being, Therefore, Whose Non-existence Implies A Contradiction. Consequently There Is No Being, Whose Existence Is Demonstrable.