Sallust

Neither soldiers nor money can defend a king but only friends won by good deeds, merit, and honesty.

The fame that goes with wealth and beauty is fleeting and fragile; intellectual superiority is a possession glorious and eternal.

It is the nature of ambition to make men liars and cheats, to hide the truth in their breasts, and show, like jugglers, another thing in their mouths, to cut all friendships and enmities to the measure of their own interest, and to make a good countenance without the help of good will.