恐惧风险的本能,反而让穷人承担更大风险。
停止表现得好像生活是一场彩排。把今天当作你生命的最后一天来活。过去已经结束。未来并不保证。
The most successful products are often the simplest solutions to everyday problems.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.