In the realm of Nature there is nothing purposeless, trivial, or unnecessary

Nature cared not a jot.

Nature uses as little as possible of anything.

In nature there is nothing melancholy.

Nature does nothing in vain. Therefore, it is imperative for persons to act in accordance with their nature and develop their latent talents, in order to be content and complete.

Nature never breaks her own laws.

There are no vacant lots in nature.

Nature admits no hierarchy of beauty or usefulness or importance.

Natura nihil agit frustra, [Nature does nothing in vain] is the only indisputed Axiome in Philosophy.

In nature there is nothing melancholy

Do nothing which is of no use

Nature is pitiless; she never withdraws her flowers, her music, her fragrance, and her sunlight from before human cruelty or suffering.

Nobody does anything for nothing.

Nature never undertakes any change unless her interests are served by an increase in entropy.