"Wise kings generally have wise counselors; and he must be a wise man himself who is capable of distinguishing one." ― Diogenes Topic(s): Wisdom More From Diogenes "As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task." "Dogs and philosophers do the greatest good and get the fewest rewards." "I am not an Athenian or a Greek, but a citizen of the world." More In Wisdom "I’m someone who’s done the opposite of whatever the received wisdom is, to keep your career going into your 50s."― Elizabeth McGovern "We all admire the wisdom of people who come to us for advice."― Arthur Helps "For the subtlest folly proceeds from the subtlest wisdom."― John Webster