Waste time winning love, and in the end, you'll be the most beloved dead man.
We must balance economic growth with ecological preservation—there's no other option.
The key to success is continuous learning and improvement.
要理解世界，你必须首先寻求理解自己。
一个人懒惰又奢侈，生活就会贫困；勤劳而节俭，生活就会富足。