Sed nescio quo modo nihil tam absurde dici potest quod non dicatur ab aliquo philosphorum. (There is nothing so absurd but some philosopher has said it.)
It is difficult to remember all, and ungracious to omit any.
History illumes reality, vitalizes memory, provides guidance in daily life
A man has no enemy worse than himself.
I prefer the wisdom of the uneducated to the folly of the loquacious.
To reduce man to the duties of his own city, and to disengage him from duties to the members of other cities, is to break the universal society of the human race.