司马牛忧曰：“人皆有兄弟，我独无。”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？”
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：‘死生有命，富贵在天’。君子敬业而不犯错误，对人恭敬而有礼。四海之内，皆兄弟。君子担心什么没有兄弟？”
A red rose is not selfish because it wants to be a red rose. It would be horribly selfish if it wanted all the flowers in the garden to be both red and roses.
The moment you define your style, you limit your potential.
物理学的美丽在于它能够用简单解释复杂。
Psychology must be a guide to practical living.
