El tiempo es el único juez verdadero de la literatura.

牛痘可以保护人体免受天花的感染。

Innovation is not about technology, it's about solving real problems.

不自重自爱便自取其辱，没有畏惧心的人招致灾祸；不自我满足的人受到裨益，不自以为是的人见多识广。

History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.

The strength of a response tendency depends on the amount of reinforcement received.

The concept of computational efficiency is central to the design of learning algorithms.