What dazzles, for the moment spends its spirit; Whats genuine, shall posterity inherit.

What life half gives a man, posterity gives entirely.

Many young painters would never have taken their pencils in hand if they could have felt, known, and understood, early enough, what really produced a master like Raphael.

People are always talking about originality, but what do they mean? As soon as we are born, the world begins to work upon us, and this goes on to the end.

Things which matter most must never be at the mercy of things which matter least.

The dear good people don't know how long it takes to learn to read. I've been at it eighty years, and can't say yet that I've reached the goal.

Science arose from poetry... when times change the two can meet again on a higher level as friends.