Contentment is natural wealth.
An unexamined life is a life of no account.
It is the greatest good for an individual to discuss virtue (aka aretรฉ) every day...for the unexamined life is not worth living.
The Delphic Oracle said I was the wisest of all the Greeks. It is because that I alone, of all the Greeks, know that I know nothing.
The easiest and noblest way is not to be crushing others, but to be improving yourselves.
Malice drinketh up the greater part of its own poison.