By Far The Best Proof Is Experience.

Natural Abilities Are Like Natural Plants, That Need Pruning By Study; And Studies Themselves Do Give Forth Directions Too Much At Large, Except They Be Bounded In By Experience.

As You Work, The Mood Grows On You. There Are Certain Images Which Suddenly Get Hold Of Me And I Really Want To Do Them. But It's True To Say That The Excitement And Possibilities Are In The Working And Obviously Can Only Come In The Working.

When I Paint I Am Ageless, I Just Have The Pleasure Or The Difficulty Of Painting.

Cure The Disease And Kill The Patient.

Young Men, In The Conduct And Manage Of Actions, Embrace More Than They Can Hold; Stir More Than They Can Quiet; Fly To The End, Without Consideration Of The Means And Degrees; Pursue Some Few Principles, Which They Have Chanced Upon Absurdly; Care Not To Innovate, Which Draws Unknown Inconveniences; Use Extreme Remedies At First; And, That Which Doubleth All Errors, Will Not Acknowledge Or Retract Them; Like An Unready Horse, That Will Neither Stop Nor Turn.