He that makes himself famous by his eloquence, justice or arms illustrates his extraction, let it be never so mean; and gives inestimable reputation to his parents. We should never have heard of Sophroniscus, but for his son, Socrates; nor of Ariosto and Gryllus, if it had not been for Xenophon and Plato.
Seneca the YoungerHow much longer are you going to be a pupil? From now on do some teaching as well.
Seneca the YoungerNo tree becomes rooted and sturdy unless many a wind assails it. For by its very tossing it tightens its grip and plants its roots more securely; the fragile trees are those that have grown in a sunny valley.
Seneca the Younger