He deserves praise who does not what he may, but what he ought.
That which Fortune has not given, she cannot take away.
Dangerous is wrath concealed. Hatred proclaimed doth lose its chance of wreaking vengeance.
The good things of prosperity are to be wished; but the good things that belong to adversity are to be admired.
Most powerful is he who has himself in his own power.
A man who has taken your time recognises no debt; yet it is the one he can never repay.