"无知永存的秘诀在于：满足于自己的意见并对自己的知识感到满意。"

“Convince your enemy that he will gain very little by attacking you; this will diminish his...”

“These pains you feel are messengers. Listen to them”

“Let us not seek the Republican answer or the Democratic answer but the right answer”

“Sometimes in life, you gotta step up and face your fears head-on”

“You need to fail in order to find the right solution”

“An eye for an eye will only make the whole world blind.”

“What does not destroy me, makes me stronger”

“There are moments when troubles enter our lives and we can do nothing to avoid them. But t...”

“If you want to know what a man's like, take a good look at how he treats his inferiors, no...”

“Success is not the key to happiness Happiness is the key to success”

“Be who you are and say what you feel, because those who mind don't matter, and those who m...”

“You're under no obligation to be the same person you were 5 minutes ago.”