"Positive psychology is not about ignoring the negative, but about building the positive."

粮仓充实，民众就能知道礼节；衣食充足，民众就能知道耻辱。

The study of mathematics is like air or water to the development of science.

热力学第二定律只不过是一个统计定律。

The human mind is so complex and things are so tangled up with each other that, to explain a blade of grass, one would have to make a diagram of the universe.

你的态度决定你的方向。

行动和知识不是彼此的障碍。