The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

CLEANLINESS. Tolerate no uncleanliness in body, cloaths, or habitation.

"The power of a story lies not in its plot, but in its ability to resonate with the reader's own experiences."

The study of mathematics is a journey without an end.

"真正的自由不是没有束缚，而是在束缚中找到自己的方向。"

To each appearance， as it arises， we should oppose the equal appearance.

我不后悔我做过的事，我后悔的是有机会时没有做的事。

If the job has been correctly done when a common stock is purchased, the time to sell it is—almost never.