There are things that happen and leave no discernible trace, are not spoken or written of, though it would be very wrong to say that subsequent events go on indifferently, all the same, as though such things had never been.

有时候，正是那些没人对他们抱有任何期望的人，做出了没人能想象到的事。

采石场经理需要工程师的精确和诗人的远见。

医学的未来将由我们改写生命密码的能力决定。