Not in opinion but in nature is law founded.

For there is assuredly nothing dearer to a man than wisdom, and though age takes away all else, it undoubtedly brings us that.

Constant practice devoted to one subject often outdoes both intelligence and skill. - Assiduus usus uni rei deditus et ingenium et artem saepe vincit

A dissolute and intemperate youth hands down the body to old age in a worn-out state.

As in the case of wines that improve with age, the oldest friendships ought to be the most delightful.

The wise are instructed by reason, average minds by experience, the stupid by necessity and the brute by instinct.

Nor am I ashamed, as some are, to confess my ignorance of those matters with which I am unacquainted.