译文：做好事就像登山一样艰难，做坏事就像山崩一样容易。

Quality should never be compromised, not even for the sake of speed.

选自汉·桓宽《盐铁论·诏圣》。目，网眼。不可，不能。法律制度太粗疏难以治国，就像网眼太少的渔网往往网不到鱼一样。这句话以比喻之法说明立法要周全、精细，不能失之粗疏，否则不易于执法者依法操作。而不能操作，执法者就有了太大的自由度，这就等于没有法律了。

Integrity is doing the right thing, even when no one is watching.

Even in abstraction, mathematics has profound real-world applications.