传记是最亲密的历史形式。
"Biography is the most intimate form of history."
真理,通过理性思考和观察自然得出。
For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.
成功固然美好,但真正的回报在于行动的过程。
晏子春秋