Writing down one thing you are grateful for each day is the cheapest possible therapy ever.
遵循道就是像水一样流动,滋养万物而不争。
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.
It's not about how much you have, but how much you can give.
The theory of computation provides a foundation for understanding what can and cannot be computed.