Earth is a natural pearl that will always give us Joy.

Nature never rushes, yet everything gets done.

Technology doesn’t change people’s basic needs or their natures.

The most mortifying infirmity in human nature ... is perhaps cowardice.

Air pollution is turning Mother Nature prematurely gray.

Sleep is the most blessed and blessing of all natural graces.

To a great experience one thing is essential - an experiencing nature.

Our nature consists in motion complete rest is death.

If civilization is to survive, it must live on the interest, not the capital, of nature.

Nature [provides] with the excitement of the dance in the interest of the reproduction of the species.