I Pretend Not To Teach, But To

No Man's Knowledge Here Can Go Beyond His Experience.

I Attribute The Little I Know To My Not Having Been Ashamed To Ask For Information, And To My Rule Of Conversing With All Descriptions Of Men On Those Topics That Form Their Own Peculiar Professions And Pursuits.

The Commonwealth Of Learning Is Not At This Time Without Master-builders, Whose Mighty Designs, In Advancing The Sciences, Will Leave Lasting Monuments To The Admiration Of Posterity; But Every One Must Not Hope To Be A Boyle, Or A Sydenham; And In An Age That Produces Such Masters, As The Great-huygenius, And The Incomparable Mr. Newton, With Some Other Of That Strain; 'tis Ambition Enough To Be Employed As An Under-labourer In Clearing Ground A Little, And Removing Some Of The Rubbish, That Lies In The Way To Knowledge.

Not Time Is The Measure Of Movement But: ...each Constant Periodic Appearance Of Ideas.

Earthly Minds, Like Mud Walls, Resist The Strongest Batteries; And Though, Perhaps, Sometimes The Force Of A Clear Argument May Make Some Impression, Yet They Nevertheless Stand Firm, Keep Out The Enemy, Truth, That Would Captivate Or Disturbe Them.