心理学理论的检验标准是其对生活的适用性。

过去在我心中跳动，就像第二颗心。

Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.

The past is a river, and we are all carried by its currents.

在大数据时代，数据结构和算法的数学原理变得比以往任何时候都更加关键。