It is so hard to believe because it is so hard to obey.
The greatest threat to our forests isn’t logging—it’s indifference.
On earth there is nothing great but man;in the man there is nothing great but mind.
Collaboration beats competition when the goal is meaningful progress.
秘诀是相信你的梦想;相信你有潜力成为你的明星,不断追寻。
Challenges are opportunities in disguise; embrace them with courage.