It is the safest of times, it is the riskiest of times…. What the Dickens is going on here? – Denton Morrison, on chemicals, technology, and risk, quoted in National Academy

When a man says to me, “I have the intensest love of nature,” at once I know that he has none. – Ralph Waldo Emerson, Journals, 1857

To waste, to destroy our natural resources, to skin and exhaust the land instead of using it so as to increase its usefulness, will result in undermining in the days of our children the very prosperity which we ought by right to hand down to them amplified and developed. – Theodore Roosevelt, seventh annual message, 3 December 1907