There Is No Expedient To Which A

I Am Convinced That This Is The Only Means Of Advancing Science, Of Clearing The Mind From A Confused Heap Of Contradictory Observations, That Do But Perplex And Puzzle The Student, When He Compares Them, Or Misguide Him If He Gives Himself Up To Their Authority; But Bringing Them Under One General Head, Can Alone Give Rest And Satisfaction To An Inquisitive Mind.

No Art Can Be Grafted With Success On Another Art. For Though They All Profess The Same Origin, And To Proceed From The Same Stock, Yet Each Has Its Own Peculiar Modes Both Of Imitating Nature And Of Deviating From It... The Deviation, More Especially, Will Not Bear Transplantation To Another Soil.

It Is Vain For Painters... To Endeavour To Invent Without Materials On Which The Mind May Work.

I Have Heard Painters Acknowledge, Though In That Acknowledgment No Degradation Of Themselves Was Intended, That They Could Do Better Without Nature Than With Her; Or As They Express Themselves, 'that It Only Put Them Out.

What Is A Well-chosen Collection Of Pictures, But Walls Hung Round With Thoughts?