In fact, it's not that Chung-jen and Chung-yi don't know that there are many problems and personal grudges at the hospital and that relationships made there will be shallow, and that it would be better for them to stay at home and hit the books.
其實，忠仁忠義何嘗不知道，醫院是非多，人際關係膚淺，不如待在家裡好好念點書來得實在。