Every man's friend is no man's friend.

There is no life without friendship

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.)

Times are bad. Children no longer obey their parents, and everyone is writing a book.

Not only is there an art in knowing a thing, but also a certain art in teaching it.

In a promise, what you thought, and not what you said, is always to be considered.

Quo usque tandem abutere, Catilina, patientia nostra? In heaven's name,Catiline, how long will you abuse ourpatience?