If the earth is man's extended body, to be loved and respected as one's own body, those who do no greening of themselves will hardly bring about the greening of America. The idea of 'greening' involves color, flowering, freshness of spring, and, above all, respect for what is organic and vegetative as distinct from the mechanical and metallic.

If the universe is meaningless, so is the statement that it is so. If this world is a vicious trap, so is its accuser, and the pot is calling the kettle black.

Irrevocable commitment to any religion is not only intellectual suicide; it is positive unfaith because it closes the mind to any new vision of the world. Faith is, above all, openness - an act of trust in the unknown.

What are plants doing? What are plants all about? They serve human beings by being decorative, but what is it from its own point of view? It's using up air; it's using up energy. It's really not doing anything except being ornamental. And yet here's this whole vegetable world, cactus plants, trees, roses, tulips, and edible vegetables, like cabbages, celery, lettuce - they're all doing this dance.

The greater part of human activity is designed to make permanent those experiences and joys which are only lovable because they are changing.

We know that from time to time there arise among human beings people who seem to exude love as naturally as the sun gives out heat.

The meaning of life is just to be alive. It is so plain and so obvious and so simple. And yet, everybody rushes around in a great panic as if it were necessary to achieve something beyond themselves.