I don't care what you think about me, I don't think about you at all.
Celebrate your successes. Find some humor in your failures. Don't take yourself so seriously. Loosen up, and everyone around you will loosen up. Have fun. Show enthusiasm. Always.
一个力学问题只有被简化为代数问题时才算解决。
The truth is, the past is all we have. We can't change it, but we can learn from it.
能经常感到满足的人，上天不能使其沦落贫穷；能够做到不贪求的人，上天不能使其卑贱；能将躯体看作身外之物的人，上天不能使其患病；能够做到不贪恋生命的人，上天不能使其死亡；能够做到随遇而安的人，上天不能使其困顿；能积极奖掖后进、培养人才的人，上天不能使其孤立；能挺身而出，为天下所有人以及子孙后代造福请命的人，上天不会使其陷入绝境。
Life is what happens when you're busy making other plans.