Men, even when alone, lighten their labors by song, however rude it may be.

Conscience is a thousand witnesses.

As regards parents, I should like to see them as highly educated as possible, and I do not restrict this remark to fathers alone.

Ambition is a vice, but it may be the father of virtue.

It is the nurse that the child first hears, and her words that he will first attempt to imitate.

In a crowd, on a journey, at a banquet even, a line of thought can itself provide its own seclusion.

Study depends on the goodwill of the student, a quality that cannot be secured by compulsion.