Life is divided into three periods: that which has been, that which is, that which will be. Of these the present is short, the future is doubtful, the past is certain.
Gold is tried by fire, brave men by adversity.
It is difficult to bring people to goodness with lessons, but it is easy to do so by example.
A man's as miserable as he thinks he is.
Constant exposure to dangers will breed contempt for them.
If a man does not know to what port he is steering, no wind is favorable to him. Ignoranti quem portum petat, nullus suus ventus est.