What is impossible by the nature of things is not confirmed by any law.

The first bond of society is the marriage tie; the next our children; then the whole family of our house, and all things in common.

Sed nescio quo modo nihil tam absurde dici potest quod non dicatur ab aliquo philosphorum. (There is nothing so absurd but some philosopher has said it.)

These studies are a spur to the young, a delight to the old: an ornament in prosperity, a consoling refuge in adversity; they are pleasure for us at home, and no burden abroad; they stay up with us at night, they accompany us when we travel, they are with us in our country visits.

The remembrance of past misery is sweet.

Mathematics is an obscure field, an abstruse science, complicated and exact; yet so many have attained perfection in it that we might conclude almost anyone who seriously applied himself would achieve a measure of success.

He who has once deviated from the truth, usually commits perjury with as little scruple as he would tell a lie.