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.

缓慢的程度与记忆的强度成正比。速度的程度与遗忘的强度成正比。

To understand the world, you must first understand a place like Mississippi.

True leadership is measured by how well your team performs when you're not there.

形容医生对待患者时应保持高度谨慎和责任感