It is bad advice that cannot be changed. Publilius Syrus
Old men are always advising young men to save money. That is bad advice. Don't save every nickel. Invest in yourself. I never saved a dollar until I was forty years old. Henry Ford
A man who works evil against another works it really against himself, and bad advice is worst for the one who devised it. Hesiod
There is nothing more hateful than bad advice. Sophocles
Today, the most dangerous advice you can give a child is ‘Go to school, get good grades and look for a safe secure job,' ” he likes to say. "That is old advice, and it's bad advice. If you could see what is happening in Asia, Europe, South America, you would be as concerned as I am. Robert Kiyosaki
Good advice is often annoying - bad advice never is. French Proverb