Safety must remain our top priority in everything we do.
安全必须始终是我们所做一切的首要任务。
If something is boring after two minutes, try it for four. If still boring, then eight. Then sixteen. Then thirty-two. Eventually one discovers that it is not boring at all.
智慧来自于经验的积累和对这些经验的反思。
Every tree planted today is a legacy for future generations.