“Stupid people always ignored good advice”
“Good advice is always certain to be ignored, but that's no reason not to give it.”
“When you encounter seemingly good advice that contradicts other seemingly good advice, ignore them both.”
“My mother always said 'Don't bother other people.' I think that's good advice.”
“He was ignorant, but a lot of people mistook ignorance for stupidity, and knowingness for intelligence.”
“I give good advice. I do not always take it.”