既然万变不离其宗，那么找到其宗，就不怕万变。

Since change from the Pope, so once found the origin, one is not afraid of change.

youdao

我们若萍水相逢，那变不离不弃！

If we meet by chance, that never abandon!

youdao

大概你已经看过大量有关求职的文章。它们都万变不离其宗。

You've probably read plenty of job-hunting articles. And they're all the same.

youdao

We want to do that in the simplest context, then we can make the example more and more complicated, but the phenomenon will be the same.

我们想举一个最简单的情景,随后我们可以再看一下更复杂的情况,但是万变不离其宗

耶鲁公开课 - 基础物理课程节选