If you know, say you know. If you don't know, say you don't know.
Humankind differs from the animals only by a little and most people throw that away.
Exemplary persons are steadfast in the face of adversity, while petty persons are engulfed by it.
A workman who wants to do his work well must first prepare his tools.
It is easy to hate and it is difficult to love. This is how the whole scheme of things works. All good things are difficult to achieve; and bad things are very easy to get.
While you are not able to serve men, how can you serve spirits of the dead...While you do not know life, how can you know about death