It is unbecoming for young men to utter maxims.

Those whose days are consumed in the low pursuits of avarice, or the gaudy frivolties of fashion, unobservant of nature's lovelinessof demarcation, nor on which side thereof an intermediate form should lie.

The intelligence consists not only in the knowledge but also in the skill to apply the knowledge into practice.

In the human species at all events there is a great diversity of pleasures. The same things delight some men and annoy others, and things painful and disgusting to some are pleasant and attractive to others.

Man by nature wants to know.

The vices respectively fall short of or exceed what is right in both passions and actions, while virtue both finds and chooses that which is intermediate.

By 'life,' we mean a thing that can nourish itself and grow and decay.