The belief that we can manage the Earth and improve on Nature is probably the ultimate expression of human conceit, but it has deep roots in the past and is almost universal.
Rene J. Dubois, The Wooing of the Earth (1980)

The famous balance of nature is the most extraordinary of all cybernetic systems. Left to itself, it is always self-regulating
Joseph Wood Krutch

Let us a little permit Nature to take her own way; she better understands her own affairs than we.
Michel de Montaigne.