Watch over yourself. Be your own accuser, then your judge; ask yourself grace sometimes, and, if there is need, impose upon yourself some pain.
There exists no more difficult art than living.
The most onerous slavery is to be a slave to oneself.
Drunkenness is nothing but voluntary madness.
The swiftness of time is infinite, as is still more evident when we look back on the past.
He has committed the crime who profits by it.