He who has wealth has friends.
Once you start a working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest.
All types of riches should be amassed by all means.
One's weakness should not ever be revealed.
We should not fret for what is past, nor should we be anxious about the future; men of discernment deal only with the present moment.
Books are as useful to a stupid person as a mirror is useful to a blind person.