If you wish to fear nothing, consider that everything is to be feared.
Unhappy is the man, though he rule the world, who doesn't consider himself supremely blessed. In order to consider himself supremely blessed he must deeply understand that things could be much worse but aren't! To not do that is to always be less happy than he could be.
It is not manly to turn one's back on fortune.
He who looks for advantage out of friendship strips it all of its nobility.
Malice drinks one-half of its own poison.
The road to learning by precept is long, but by example short and effective.