No obligation to do the impossible is binding.

What is thine is mine, and all mine is thine.

The precepts of the law are these: to live honestly, to injure no one, and to give everyone else his due.

Friendship improves happiness and abates misery, by the doubling of our joy and the dividing of our grief.

Before beginning, plan carefully.

Cultivation to the mind is as necessary as food to the body.

You will be as much value to others as you have been to yourself.

Gratitude is not only the greatest of virtues, but the parent of all the others.

It shows nobility to be willing to increase your debt to a man to whom you already owe much.

It is the nature of every person to error, but only the fool perseveres in error.