Always keep a written record of your trades. This will help you learn from your mistakes and successes.

The best customer experience is no experience.

（在购并General RE公司后，卖掉其所持有获利不菲价值四十六亿美金的美国零息公债后，债券仍持续大涨时，巴菲特淡淡地表示）

I've learned that you can't control what other people think of you, but you can control what you think of yourself.