The essence of learning is the acquisition of meanings.

The past is not dead; it is not even past.

我相信爱的力量和音乐改变生活的力量。

罗马帝国为什么垮台？什么是拉丁语办公室自动化？

Life is a dream for the wise, a game for the fool, a comedy for the rich, a tragedy for the poor.

认知偏见会显著影响我们的判断和决策，而我们往往意识不到这一点。

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.