I have no country to fight for my country is the earth and I am a citizen of the world.

Parenting is one of the hardest jobs on earth.

Every corny thing that's said about living with nature - being in harmony with the earth feeling the cycle of the seasons - happens to be true.

Nothing is given to man on earth - struggle is built into the nature of life and conflict is possible - the hero is the man who lets no obstacle prevent him from pursuing the values he has chosen.

The fairest thing in nature a flower still has its roots in earth and manure.

It is good to realize that if love and peace can prevail on earth and if we can teach our children to honor nature's gifts the joys and beauties of the outdoors will be here forever.

The natural liberty of man is to be free from any superior power on Earth and not to be under the will or legislative authority of man but only to have the law of nature for his rule.

The sway of alcohol over mankind is unquestionably due to its power to stimulate the mystical faculties of human nature usually crushed to earth by the cold facts and dry criticisms of the sober hour.

To be admitted to Nature's hearth costs nothing. None is excluded but excludes himself. You have only to push aside the curtain.

There are no passengers on spaceship earth. We are all crew.

The poetry of the earth is never dead.

Man has lost the capacity to foresee and to forestall. He will end by destroying the earth.

Trees are the earth's endless effort to speak to the listening heaven.

Earth and sky woods and fields lakes and rivers the mountain and the sea are excellent schoolmasters and teach some of us more than we can ever learn from books.

Delicious autumn! My very soul is wedded to it and if I were a bird I would fly about the earth seeking the successive autumns.

It is not light that we need but fire it is not the gentle shower but thunder. We need the storm the whirlwind and the earthquake.

Earth laughs in flowers.