Successful villany is called virtue.

Voyage, travel, and change of place impart vigor

We must take care to live not merely a long life, but a full one; for living a long life requires only good fortune, but living a full life requires character. Long is the life that is fully lived; it is fulfilled only when the mind supplies its own good qualities and empowers itself from within.

I would rather be sick than idle.

I persist on praising not the life I lead, but that which I ought to lead. I follow it at a mighty distance, crawling

Virtue is that perfect good, which is the complement of a happy life; the only immortal thing that belongs to mortality.

Let no man give advice to others that he has not first given himself.