Destructive

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

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

"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."

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

"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."