An acute first-class brain is the finest asset anyone can have- and, if we want to be happy, it is an asset we must exploit to the uttermost.

The best Armour of Old Age is a well spent life preceding it; a Life employed in the Pursuit of useful Knowledge, in honourable Actions and the Practice of Virtue; in which he who labours to improve himself from his Youth, will in Age reap the happiest Fruits of them; not only because these never leave a Man, not even in the extremest Old Age; but because a Conscience bearing Witness that our Life was well-spent, together with the Remembrance of past good Actions, yields an unspeakable Comfort to the Soul

Any man can make mistakes, but only an idiot persists in his error.

A man's own manner and character is what most becomes him.

In the master there is a servant, in the servant a master.

That man is guilty of impertinence who considers not the circumstances of time, or engrosses the conversation, or makes himself the subject of his discourse, or pays no regard to the company he is in.

To teach is a necessity, to please is a sweetness, to persuade is a victory.