Nothing strengthens authority so much as silence.

Realize that everything connects to everything else.

He who can copy can do.

Small rooms or dwellings discipline the mind, large ones weaken it.

Men born in hot countries love the night because it refreshes them and have a horror of light because it burns them.

Affective gestures pointing to things near either in time or space should be made with the hand not very far from the body of the person pointing; and if these things are distant, the hand of the painter should be more extended and the face turned toward the person to whom he is addressing the demonstration.

Oysters open completely when the moon is full; and when the crab sees one it throws a piece of stone or seaweed into it and the oyster cannot close again so that it serves the crab for meat. Such is the fate of him who opens his mouth too much and thereby puts himself at the mercy of the listener.