Dare to do something worthy of transportation and a prison, if you mean to be anybody.
When the mischief is done the door is shut.
Quis custodiet ipsos custodes? - Who will watch the watchers?
Never does nature say one thing and Wisdom another. Variant: Wisdom and Nature! are they not the same? Variant: Nature and Wisdon always speak alike.
Savage bears agree with one another.
Few people can distinguish the genuinely good from the reverse.