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。

Psychology is the science of mental processes.

The only way to do great work is to love what you do.

Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.

最好的故事是那些让你感觉活着的故事。