After all, life is never so jolly or so miserable as people seem to think.
 毕竟,生活从来不像人们想象的那么快乐或悲惨。
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。
今天种下的每一棵树,都是对明天的承诺。
The best science is done with an open mind and a willingness to learn.