A proof tells us where to concentrate our doubts.
Courage is the persistence in the face of fear.
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.
死人比破碎的心更重。
最好的老师是那种建议而不是教条化,并激发听众自我教学愿望的人。
Architecture is not a profession, it’s a way of thinking.