听不到门内嬉笑怒骂，可知这家治理严明；座右题写着格言名句，能知此人志趣高雅。

健康的社会生活是当每个人类灵魂的镜子中都能反映出整个社区，并且当社区中每个人的美德都得以体现时。

The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!

麻雀因孔雀驮著翎尾而替它担忧。