可持续林业不是一种选择；它是一种义务。
Sustainable forestry is not an option; it's an obligation.
The real is always more than we can say.
The major credit I think Jim and I deserve... is for selecting the right problem and sticking to it.
我认为我和吉姆值得称赞的主要原因是...选择了正确的问题并坚持研究它。
The most alluring thing a woman can have is confidence.
In the attosecond world, time is not a river but a series of snapshots waiting to be captured.
写作的行为是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。