语出西汉·桓宽《盐铁论·世务》。虽然有一片诚挚忠信的愿望，如不知道因事随机应变，那便是一条危险的，甚至会灭亡的路。

Writing for children is a responsibility—they deserve the truth, even when it's hard.

The best technology disappears into the background, enhancing our lives without demanding attention.

真理是不朽的，它超越了时间的局限。