翻译：事物发展到了极点，就要发生变化，发生变化，才会使事物的发展不受阻塞，事物才能不断的发展。

"I think it should be called a lie because a pig is not like a day and people do not have skeletons in their cupboards."

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.

如果你借给别人 20 美元，而他为了不还钱选择不再见你，那你们的关系就只值 20 美元。