释义：独具慧眼的人看山崖，能发现未经琢磨的玉石；靠近河川，便能知道水里有珍珠。比喻人应善于观察和学习，方能洞察事物本质。

What we see is not simply given but actively constructed through complex processes.

The only limit to our realization of tomorrow is our doubts of today.

科学中最激动人心的短语，预示着新发现的不是“我找到了！”而是“这有点奇怪……”