If an individual has no interests, no values with which to concern himself, then any discussion regarding ethics becomes as useless as contemplation of how many angels will fit on the head of a pin.
이 문장에서 how many angels will fit on the head of a pin가 잘 안됩니다. 숨겨진 뜻이 있을 것 같은데 모르겠습니다.
부탁 드립니다