Arcesilaus had a peculiar habit while conversing of using the expression, "My opinion is," and "So and so will not agree to this.
Diogenes LaertiusHe used to say that it was better to have one friend of great value than many friends who were good for nothing.
Diogenes LaertiusAristippus being asked what were the most necessary things for well-born boys to learn, said, "Those things which they will put in practice when they become men.
Diogenes Laertius