What one has, one ought to use: and whatever he does he should do with all his might.
The wise are instructed by reason, average minds by experience, the stupid by necessity and the brute by instinct.
Nature has planted in our minds an insatiable longing to see the truth.
No phase of life, whether public or private, can be free from duty.
Man's life is ruled by fortune, not by wisdom.
The first bond of society is marriage.