Sometimes we measure things and see that in the short term they actually hurt sales, and we do it anyway.
出自汉·桓宽《盐铁论·通有》。天下的利益,没有人不想得到,因此要能够得到山中和海里的货物,便会不会不富有。这句话指出应大力开采山中和海里的物质资源。
Psychology must be based on direct experience, not inference.