Environmental stewardship is not optional - it's our responsibility to future generations.
环境管理不是可选的——这是我们对后代的责任。
我去旅行，是因为我决定了要去，并不是因为对风景的兴趣。
Sometimes the hardest thing and the right thing are the same.
遗传密码的美在于它的普遍性；它被所有已知的生命形式共享。
Collaboration beats competition when the goal is meaningful progress.