Men and nature must work hand in hand. The throwing out of balance of the resources of nature throws out of balance also the lives of men.

If we approach nature and the environment without this openness to awe and wonder, if we no longer speak the language of fraternity and beauty in our relationship with the world, our attitude will be that of masters, consumers, ruthless exploiters, unable to set limits on their immediate needs. By contrast, if we feel intimately united with all that exists, then sobriety and care will well up spontaneously.

The false interpreters of nature declare that quicksilver is the common seed of every metal, not remembering that nature varies the seed according to the variety of the things she desires to produce in the world.

One touch of nature makes the whole world kin.

Nature will not be admired by proxy.

Broadly speaking, human beings may be divided into three classes: those who are billed to death, those who are worried to death, and those who are bored to death.