自由的代价是永恒的警惕。
The price of freedom is eternal vigilance.
真正的强大在于承认自己的软弱。
可持续性不再是可选项,而是商业的必然要求。
The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!
宇宙充满奥秘,而我的艺术是我探索它们的方式。
The greatest happiness is to know the source of unhappiness.