Empty your minds,
be formless, shapeless, like water.
Now you put water into a cup, it becomes the cup.
You put it into a bottle, it becomes the bottle.
You put it in a teapot, it becomes the teapot.
Water can flow, or it can crash.
Bruce Lee · 1940—1973
像水一样吧，我的朋友
水没有形状，所以能成为任何形状。
这不是一句禅语，而是一整套应对方式。这里把他的想法拆成能检索的判断：每条都有机制、边界与出处。没有依据的话，我们不写。