Ask advice of him who governs himself well. Leonardo da Vinci
For you to ask advice on the rules of love is no better than to ask advice on the rules of madness. Terence
Never ask advice from someone who has something at stake or something to lose from your decision. The more objective the person is the greater value you should place on the input. David J. Lieberman
Ask advice of an ignorant man and he will think you are his enemy. Arabic Proverb
Ask advice only of your equals. Danish Proverb
Do not ask advice of the ignorant. Hindi Proverb