When We Know Our Own

To Ask At What Time A Man Has First Any Ideas Is To Ask When He Begins To Perceive; Having Ideas And Perception Being The Same Thing.

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.

This Is That Which I Think Great Readers Are Apt To Be Mistaken In; Those Who Have Read Of Everything, Are Thought To Understand Everything Too; But It Is Not Always So. Reading Furnishes The Mind Only With Materials Of Knowledge; It Is Thinking That Makes What We Read Ours. We Are Of The Ruminating Kind , And It Is Not Enough To Cram Ourselves With A Great Load Of Collections:;; Unless We Chew Them Over Again, They Will Not Give Us Strength And Nourishment.

Firmness Or Stiffness Of The Mind Is Not From Adherence To Truth, But Submission To Prejudice.

The Only Fence Against The World Is A Thorough Knowledge Of It.