“I don’t understand why when we destroy something created by man we call it vandalism, but when we destroy something by nature we call it progress.”

“If you're going to drive a Hummer and buy carbon offsets, that's like getting drunk every night and getting into an AA meeting, throwing money in the basket, and leaving.”

“When a man wantonly destroys one of the works of man we call him a vandal, when he wantonly destroys one of the works of god we call him a sportsman.”

“When we make something hard to use, people get upset. They become so angry that they want to destroy it. We don’t want to create things that people will want to destroy”

“We change when the pain to change is less than the pain to remain as we are.”

“To understand the nature of the Revolution we must call it "progress"; and we may define progress by the word "tomorrow".”

“If you want something good to come out of something, you have to put in a lot of effort. That involves a lot of hard work, and a lot of blood, sweat and tears sometimes. No different to anything, no different to what we all do.”