The greatest thing in this world is not so much where we stand as in what direction we are moving.

He who moves not forward, goes backward

Secrecy has many advantages, for when you tell someone the purpose of any object right away, they often think there is nothing to it.

Be above it! Make the world serve your purpose, but do not serve it.

Be above it! Make the world serve your purpose, but do not serve it!

One never goes so far as when one doesn't know where one is going