Excellent things are rare.

In the world of knowledge, the essential Form of Good is the limit of our inquiries, and can barely be perceived; but, when perceived, we cannot help concluding that it is in every case the source of all that is bright and beautiful -in the visible world giving birth to light and its master, and in the intellectual world dispensing, immediately and with full authority, truth and reason -and that whosoever would act wisely, either in private or in public, must set this Form of Good before his eyes.

Most people affirm pleasure to be the good, but the finer sort of wits say it is knowledge.

The soul of man is immortal and imperishable.

The greatest penalty of evil-doing is to grow into the likeness of bad men, and, growing like them, to fly from the conversation of the good, and be cut off from them, and cleave to and follow after the company of the bad.

The deity on purpose [sings] the liveliest of all lyrics through the most miserable poet.

Arithmetic is a kind of knowledge in which the best natures should be trained, and which must not be given up.