十四難
Từ Điển Thuật Ngữ Phật Học Hán Ngữ
The fourteen difficult questions of the “heretics” to which the Buddha made no reply, for, as it is said, the questions were no more properly put than if one asked ” How much milk can you get from cow’s horn?” They are forms of: All is permanent, impermanent, both or neither; all changes, changes not, both, neither; at death a spirit departs, does not, both, neither; after death we have the same body (or personality) and spirit, or body and spirit are different.