心理学的理解来自于观察心灵的行动。

物理学中的每一个发现都打开了一扇通向新奥秘的门，这就是科学的美丽之处。

"Silence can be louder than words, if you know how to listen."

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

史记