It is hard to hate what one has loved, and a half-extinguished fire is soon relit.
To take revenge halfheartedly is to court disaster; either condemn or crown your hatred.
The greater the risk, the sweeter the fruit.
Treachery is noble when aimed at tyranny.
Among wellborn spirits courage does not depend on age.
The universe has no prince or king that it [Rome] would consider equal to its humblest citizen.