Agricultural science is largely a race between the emergence of new pests and the emergence of new techniques for their control.
Aldo LeopoldThere are some who can live without wild things, and some who cannot. For us of the minority, the opportunity to see geese is more important than television, and the chance to find a pasque-flower is a right as inalienable as free speech.
Aldo LeopoldI do not imply that this philosophy of land was always clear to me. It is rather the end result of a life journey.
Aldo LeopoldNo important change in ethics was ever accomplished without an internal chage in our intellectual emphasis, loyalties, affections, and convictions.
Aldo LeopoldThe most important characteristic of an organism is that capacity for internal self-renewal known as health. There are two organisms whose processes of self-renewal have been subjected to human interference and control. One of these is man himself (medicine and public health). The other is land (agriculture and coservation). The effort to control the health of land has not been very successful.
Aldo Leopold