To no man make yourself a boon companion: Your joy will be less but less will be your grief
Observe constantly that all things take place by change.
The true worth of a man is to be measured by the objects he pursues.
Let not your mind run on what you lack as much as on what you have already.
The ruling power within, when it is in its natural state, is so related to outer circumstances that it easily changes to accord with what can be done and what is given it to do.
Life is a warfare and a stranger's sojourn, and after fame is oblivion.