Our Lord has written the promise of resurrection, not in books alone, but in every leaf in springtime.
The truth is, I don't know why I write. I only know that I must.
在采矿业，可持续性不仅仅是一个流行词，而是长期成功的必要条件。
The rule of law is a necessary condition for the development of a modern economy.
真正的领导力不在于你赚取的利润，而在于你留下的遗产。
Nature has been the greatest chemist of all time, and we are just beginning to understand its secrets.