世界上充满了显而易见的事物，但没有人注意到它们。

任何心理活动的价值都以其对成功生活的贡献来衡量。

In mathematics, the journey is just as important as the destination, for it is through the process of discovery that we truly learn.

在社会的初期，国家的首领塑造其制度；后来，制度塑造国家的首领。