A youth without fire is followed by an old age without experience.

In the pursuit of knowledge, follow it wherever it is to be found; like fern, it is the produce of all climates, and like coin, its circulation is not restricted to any particular class.

Words indeed are but the signs and counters of knowledge, and their currency should be strictly regulated by the capital which they represent.

We cannot think too highly of our nature, nor too humbly of ourselves.

There are truths which some men despise because they have not examined, and which they will not examine because they despise. There is one signal instance on record where this kind of prejudice was overcome by a miracle; but the age of miracles is past, while that of prejudice remains.

What would you do if you knew for sure that no one would ever find out?

There are both dull correctness and piquant carelessness; it is needless to say which will command the most readers and have the most influence.