The energy or active exercise of the mind constitutes life.
Those that know, do. Those that understand, teach.
It is unbecoming for young men to utter maxims.
Happiness is essentially perfect; so that the happy man requires in addition the goods of the body, external goods and the gifts of fortune, in order that his activity may not be impeded through lack of them.
Excellence is an art won by training and habituation.
Wishing to be friends is quick work, but friendship is a slow ripening fruit.