种一棵树最好的时间是20年前，第二好的时间就是现在。
The computer is simply an instrument whose music is ideas.
如果我们为之奋斗，煤炭的未来是光明的。
【译文】 孔子说：“管理国家要以身做则。如同北极星，安然不动而众星绕之。”
"The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that some other human being has wished you that much evil."