The belief of immortality is impressed upon all men, and all men act under an impression of it, however they may talk, and though, perhaps, they may be scarcely sensible of it.

Confidence is a plant of slow growth; especially in an aged bosom

As any custom is disused, the words that expressed it must perish with it; as any opinion grows popular, it will innovate speech in the same proportion as it alters practice.

They who look but little into futurity, have, perhaps, the quickest sensation of the present.

Those who have no power to judge of past times but by their own, should always doubt their conclusions

The roads of science are narrow, so that they who travel them, must wither follow or meet one another.

No man should attempt to teach others what he has never learned himself