The mind is a dynamic system of processes.
The only truly affluent are those who do not want more than they have.
化学的语言是普遍的,它的符号被所有国家理解。
最大的风险是不冒任何风险。在一个快速变化的世界里,唯一注定要失败的策略就是不冒风险。
Quality is not an act, it is a habit.