Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:

数学和计算机科学的交叉点是一些最激动人心的发现产生的地方。

追求真理是人生的崇高目标。

记着时间就是金钱。

在编程中，就像在其他所有方面一样，要重生。

假如我梦见你爱我，你休怪，醒来，我空余泪眼。

To truly understand the universe, we must first understand the limits of our understanding.

企业的社会责任不仅仅是盈利，还要回馈社会。

Exceed your customers' expectations. If you do, they'll come back over and over. Give them what they want — and a little more.