Those who voluntarily put power into the hands of a tyrant ... must not wonder if it be at last turned against themselves.
While I see many hoof marks going in, I see none coming out. It is easier to get into the enemy's toils than out again.
Familiarity breeds contempt.
In a crisis, give help first and then advice.
Uninvited guests are often most welcome when they leave
Being a good example teaches others to be good.