"For myself I hold no preferences among flowers, so long as they are wild, free, spontaneous. Bricks to all greenhouses! Black thumb and cutworm to the potted plant!"

"Society is like a stew. If you don't stir it up every once in a while then a layer of scum floats to the top."

"When a man's best friend is his dog, that dog has a problem."

"The idea of wilderness needs no defense, it only needs defenders."

"I'm so in control of my life, you shouldn't dislike anything I do-because I'm not only in the best place I've ever been, but it keeps getting better and better."

"The strength of a man's virtue should not be measured by his special exertions, but by his habitual acts."

"I only wish that ordinary people had an unlimited capacity for doing harm then they might have an unlimited power for doing good."

"You cannot control what happens to you, but you can control your attitude toward what happens to you, and in that, you will be mastering change rather than allowing it to master you."