"The more we tamper with the delicate balance of nature, the more we risk unintended consequences."

"I am not a scientist in a white coat. I am a writer who happens to write about science."

"The 'control of nature' is a phrase conceived in arrogance, born of the Neanderthal age of biology and philosophy, when it was supposed that nature exists for the convenience of man."

"We are not to be a generation that leaves behind nothing but a devastated planet."

"It is a wholesome and necessary thing for us to turn again to the earth and in the contemplation of her beauties to know the sense of wonder and humility."