Not to unlearn what you have learned is the most necessary kind of learning.
The investigation of the meaning of words is the beginning of education.
Observe your enemies, for they first find out your faults.
Quarrels often arise in marriages when the bridal gifts are excessive.
To all my friends without distinction I am ready to display my opulence: come one, come all; and whosoever likes to take a share is welcome to the wealth that lies within my soul.
There are only two people who can tell you the truth about yourself - an enemy who has lost his temper and a friend who loves you dearly.