林业领导力需要耐心——就像我们管理的树木一样,真正的影响是随着时间的推移而增长的。
The real challenge in computer science is not to write programs, but to understand the nature of computation.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.
The writer must be a smuggler of truths, a clandestine agent of freedom.