Physical is not the only criterion of truth: there are also psychic truths which can neither be explained nor proved nor contested in any physical way.
“物质”不是唯一的事实标准：还存在心理事实，而且无法以任何的物质方式来解释、证明、或辩驳它。
The challenge of modern cryptography is not just to secure communication, but to do so in a way that is both efficient and scalable.
If one has realised, he is that which alone is, and which alone has always been. He cannot describe that state. He can only be that.
For enterprises to develop, they must adhere to the market-oriented direction, deepen reforms, and stimulate endogenous motivation.
自由是法律允许的一切权利。
