永不言弃
最终，我们只会后悔没有抓住的机会。
The walls of a garden should be high enough to keep the world out, but low enough to let the sky in.
花园的墙应该足够高以将世界挡在外面，但又足够低以让天空进来。
Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.
The only limits that exist are the ones in your mind.
The most important thing is to keep your mind active.
终极情境——死亡、机会、罪恶和世界的不确定性——使人面对他存在的现实。