Looks are part of business. A businessman should never stand out more than his customers. His mannerisms, his clothes, everything about him... Moderation is the key.
It is not enough to do good; one must do it the right way.
You must not think me necessarily foolish because I am facetious, nor will I consider you necessarily wise because you are grave.
Hares can gambol over the body of a dead lion.
For visions come not to polluted eyes.
Good taste is the enemy of comedy.
You can tell a lot about a fellow's character by his way of eating jellybeans.