The process of doing mathematics is more important than the result.

The defining characteristic of pessimists is that they tend to believe bad events will last a long time, will undermine everything they do, and are their own fault.

Diplomacy is the art of restraining power.

【原文】司马牛忧曰：“人皆有兄弟，我独亡。”子夏曰：“商闻之矣：‘死生有命，富贵在天’。君子敬而无失，与人恭而有礼。四海之内，皆兄弟也。君子何患乎无兄弟也?”【译文】司马牛忧伤地说：“别人都有兄弟，唯独我没有。”子夏说：“我听说过：‘死生命中注定，富贵由天安排。’君子(只要)敬业而不犯错误，对人恭敬而有礼貌。四海之内都是兄弟呀。君子担心什么没有兄弟呢?”

商业的成功，最终是价值观的成功。

Good deeds do not cancel out bad, nor do bad deeds erase good.

The behaviorist cannot find consciousness in the test-tube of his science.

You can't change the direction of the wind, but you can adjust your sails.