One can't proceed from the informal to the formal by formal means.
不能通过正式手段从非正式到正式。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
质量不是口号；它是一种承诺。
译文：现在我尝尽了忧愁的滋味，想说却又最终咽下。想说却又咽下，只能感叹一句 “天气凉爽好个秋天”!
守住嘴巴，就跟拴紧瓶口一样。克制欲望，就像防守城池一般。
你越努力，就越幸运。