To touch is to remember.

数学是给不同事物赋予相同名称的艺术。

The essence of modernity is psychologism, the experiencing and interpretation of the world in terms of the reactions of our inner life and indeed as an inner world, the dissolution of fixed contents in the fluid element of the soul, from which all that is substantive is filtered and whose forms are merely forms of motion.

资本主义社会的自由始终与古希腊共和国大致相同：奴隶主的自由。

在计算学习理论中，挑战不仅仅是学习，而是理解学习是如何可能的。