要只按照你同时认为也能成为普遍规律的准则去行动。
Nature has been the greatest chemist of all time, and we are just beginning to understand its secrets.
The greatest enemy of a good plan is the dream of a perfect plan.
挑战让生活有趣,而克服挑战让生活有意义。
The challenge of our time is to find balance in a world of constant connectivity.