He who refuses to do arithmetic is doomed to talk nonsense.

The most important thing about the Internet is that it's a network of networks.

The wise can predict the future, fools only see the present.

Every decision we make should reflect our commitment to a healthier planet.

孔子说：“不要担心没有地位，要注意做人的立场；不要怕没人了解自己，要想法使自己容易得到理解。”