What nature requires is obtainable, and within easy reach. It is for the superfluous we sweat.

Straightforwardness and simplicity are in keeping with goodness. The things that are essential are acquired with little bother; it is the luxuries that call for toil and effort. To want simply what is enough nowadays suggests to people primitiveness and squalor.

The time will come when diligent research over periods will bring to light things which now lie hidden...Many discoveries are reserved for ages still to come, when memories of us will have been effaced. Our universe is a sorry little affair unless it has something for every age to investigate. nature does not reveal her mysteries once and for all.

No one can be despised by another until he has learned to despise himself.

If sensuality were happiness, beasts were happier than men; but human felicity is lodged in the soul, not in the flesh.

The fearful face usually betrays great guilt.

Cling tooth and nail to the following rule: Not to give in to adversity, never to trust prosperity, and always to take full note of fortune's habit of behaving just as she pleases, treating her as if she were actually going to do everything it is in her power to do. Whatever you have been expecting for some time comes as less of a shock.