“If you pick up a starving dog and make him prosperous, he will not bite you. This is the principal difference between a dog and a man
“The sea is everything. It covers seven tenths of the terrestrial globe. Its breath is pure and healthy. It is an immense desert, where man is never lonely, for he feels life stirring on all sides
“If we had paid no more attention to our plants than we have to our children, we would now be living in a jungle of weed
“To see a world in a grain of sand and heaven in a wild flower hold infinity in the palms of your hand and eternity in an hour
“If there were only turnips and potatoes in the world, someone would complain that plants grow the wrong way.
“The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do
“Animals, in their generation, are wiser than the sons of men; but their wisdom is confined to a few particulars, and lies in a very narrow compass
“I trust in nature for the stable laws of beauty and utility. Spring shall plant and autumn garner to the end of time.
“If your goal is to reduce costs, then coal is a good idea. If the goal is a renewable fuel, coal is a bad idea. When greenhouse-gas emissions go up, environmentalists take note. Then you've got a problem