Wealth and poverty do not lie in a man's estate, but in men's souls.
Quarrels often arise in marriages when the bridal gifts are excessive.
Not to unlearn what you have learned is the most necessary kind of learning.
Pay attention to your enemies, for they are the first to discover your mistakes.
The investigation of the meaning of words is the beginning of education.
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.