913  The evil implanted in man by nature spreads so imperceptibly, when the habit of wrong-doing is unchecked, that he himself can set no limit to his shamelessness.

889  The absolute good is not a matter of opinion but of nature.

773  Nature herself makes the wise man rich.

794  I will go further, and assert that nature without culture can often do more to deserve praise than culture without nature.

750  Art is born of the observation and investigation of nature.