Doctor Johnson said, that in sickness there were three things that were material; the physician, the disease, and the patient: and if any two of these joined, then they get the victory; for, Ne Hercules quidem contra duos [Not even Hercules himself is a match for two]. If the physician and the patient join, then down goes the disease; for then the patient recovers: if the physician and the disease join, that is a strong disease; and the physician mistaking the cure, then down goes the patient: if the patient and the disease join, then down goes the physician; for he is discredited.

Books must follow sciences, and not sciences books.

The wonder of a single snowflake outweighs the wisdom of a million meteorologists.

I have to hope that my instincts will do the right thing, because I can't erase what I have done. And if I drew something first, then my paintings would be illustrations of drawings.

Friendship increases in visiting friends, but in visiting them seldom.

The lame man who keeps the right road outstrips the runner who takes the wrong one.

Aristotle... a mere bond-servant to his logic, thereby rendering it contentious and well nigh useless.