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.

Generosity should never exceed ability.

The happiest end of life is this: when the mind and the other senses being unimpaired, the same nature which put it together takes asunder her own work.

Religion is the pious worship of God.

We were born to unite with our fellow men, and to join in community with the human race.

Lay down this rule of friendship: neither ask nor consent to do what is wrong. The plea, 'for friendship's sake,' is a discreditable one, and should not be admitted for a moment. We should ask from friends and do for friends only what is good.

Liberty consists in the power of doing that which is permitted by the law.