“Warren and I both know some very successful businessmen who have not one true friend on earth — and rightly so.”

“Three rules for a career: Don't sell anything you wouldn't buy yourself; don't work for anyone you don't respect and admire; and work only with people you enjoy.”

A genuine Munger sentiment; this tidy three-rule phrasing is a compiler's rendering, not a verbatim transcript line.

“I think track records are very important. If you start early trying to have a perfect one in some simple thing like honesty, you're well on your way to success in this world.”

“It isn't an easy thing to work very hard for many years to build up a significant career, as I had done, and then to destroy that career on purpose.”

“It's one of the advantages of being very rich: you can behave better than other people.”

In context, about the freedom independence gives to act with integrity — not a boast.