Destructive

"Every man must decide whether he will walk in the light of creative altruism or in the darkness of destructive selfishness."

"What you don't do can be a destructive force."

"Order without liberty and liberty without order are equally destructive."

"As soon as you tell me to do one thing, I do the opposite. As soon as someone tells me not to get any more tattoos, I have this intense fire burning inside me to cover myself with them. I don't care if it's self-destructive. I just have that need to rebel."

"Whenever any form of government becomes destructive of these ends [life, liberty, and the pursuit of happiness] it is the right of the people to alter or abolish it, and to institute new government."