The past is always with us, shaping our present and our future.

The mind is a dynamic system of processes.

Freedom and responsibility are inseparable.

Collaboration across borders and disciplines is essential for the advancement of the Internet.

所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。