Don't let them see you bleed.
Dreams don't run away, it's always ourselves who run away.
You are never too old to set another goal or to dream a new dream.
当我们是大为谦卑的时候，便是我们最接近伟大的时候。
国家是理性的行为体，它们寻求最大化相对权力，以确保在竞争性的国际体系中生存。