None are too wise to be mistaken, but few are so wisely just as to acknowledge and correct their mistakes, and especially the mistakes of prejudice.

I pass by that it is very culpable to be facetious in obscene and smutty matters.

Even private persons in due season, with discretion and temper, may reprove others, whom they observe to commit sin, or follow bad courses, out of charitable design, and with hope to reclaim them.

Incredulity is not wisdom, but the worst kind of folly. It is folly, because it causes ignorance and mistake, with all the consequents of these; and it is very bad, as being accompanied with disingenuity, obstinacy, rudeness, uncharitableness, and the like bad dispositions; from which credulity itself, the other extreme sort of folly, is exempt.

Because Mathematicians frequently make use of Time, they ought to have a distinct idea of the meaning of that Word, otherwise they are Quacks.

The proper work of man, the grand drift of human life, is to follow reason, that noble spark kindled in us from heaven.

We should allow others' excellences, to preserve a modest opinion of our own.