"Never forget Warren, you can tell a guy to go to hell tomorrow — you don't give up the right. So just keep your mouth shut today, and see if you feel the same way tomorrow."
During this year's Berkshire Hathaway annual shareholders meeting, Buffett also told a curious seventh-grader that the key to making friends and getting along with coworkers is learning to change your behavior as you mature by emulating those you admire and adopting the qualities they possess.