Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.
【释义】：恶毒的话不要出口，愤怒的话也不要让其伤害自己。
The mind is a place of its own which in itself can make a heaven of hell, a hell of heaven.
人生没有彩排，每一天都是现场直播。
The international system is inherently competitive, and states are constantly trying to outmaneuver each other.