nature: Human nature is evil, and goodness is caused by intentional activity.

nature: Nature is just enough; but men and women must comprehend and accept her suggestions.

nature: Self-preservation is the first law of nature.

nature: The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

success: Success depends upon previous preparation, and without such preparation there is sure to be failure.