To achieve satisfactory investment results is easier than most people realize; to achieve superior results is harder than it looks.

计算的未来在于开发能够自我验证正确性的系统。

释义：即使家庭贫困，也要保留读书的希望；即使生活富裕，也不能忘记劳动的艰辛。

书是一次跨越时间的对话。