"The chemical war is not a war against insects alone, it is a war against the earth and all its inhabitants."

"The earth is a living organism, and we are a part of it."

"The human race is challenged more than ever before to demonstrate our mastery, not over nature but of ourselves."

"There is something infinitely healing in the repeated refrains of nature—the assurance that dawn comes after night, and spring after winter."

"There is no doubt that man has a right to control nature, but only in the sense that he controls himself."