Knowledge becomes wisdom only after it has been put to good use.

We must put up with our clothes as they are - they have their reason for existing. They are on us to expose us - to advertise what we wear them to conceal. They are a sign; a sign of insincerity; a sign of suppressed vanity; a pretense that we desire gorgeous colors and the graces of harmony and form; and we put them on to propagate that lie and back it up.

If I cannot smoke in heaven, then I shall not go.

Don't part with your illusions. When they are gone you may still exist, but you have ceased to live. To live a fulfilled life, we need to keep creating the "what is next", of our lives. Without dreams and goals there is no living, only merely existing, and that is not why we are here.

When angry, count to four; when very angry, swear.

Man has imagined a heaven, and has left entirely out of it the supremest of all his delights...sexual intercourse!...His heaven is like himself: strange, interesting, astonishing, grotesque. I give you my word, it has not a single feature in it that he actually values.

...there isn't often anything in Wagner opera that one would call by such a violent name as acting.