The time is always right to do the right thing.
生命的意义在于活得充实,而不在于活得长久。
可持续林业不是一种选择;它是一种义务。
We must invest in people as much as we invest in machinery.
Innovation distinguishes between a leader and a follower.
最好的艺术几乎是一种报道形式。
The elements of consciousness are to be discovered by careful experimentation.