《农桑辑要·蚕事预备·八宜》
蚕适宜什么，不可不知道，违反蚕性行事，为其大逆，养蚕一定不会成功的。
蚕之所宜，不可不知；反此者，为其大逆，必不成矣。
One must understand what silkworms need. Going against their nature is a great taboo and will definitely lead to failure in sericulture.