One of the greatest ways to avoid trouble is to keep it simple...the system often goes out of control.
盈利和可持续性并不是对立的;它们是一枚硬币的两面。一个危害环境的企业最终会伤害自己。
The deeper you go into mathematics, the more you realize how interconnected everything is.
The total speech act comprises both the act of uttering words and the act of meaning.