Everywhere there is a large commission, there is a high probability of a rip-off.

解释：只有放弃一些事情不做，才能在别的一些事情上做出成绩。

The past is not just the past, but a prism through which the subject filters his own changing self-image.

The true journey is not about discovering new landscapes, but about seeing with new eyes.

Mathematics is a way of thinking, not just a collection of facts.

科学中最重要的词不是“我找到了！”而是“这很有趣……”

书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问，也是最耐心的老师。