"'The _method and nature_ of this yielding' [of _this yielding_ -- SUBJECTION is the question] 'must also be diligently examined; as, _for instance_, whether the motions' [ 'of liberty'] 'completely cease, or exert themselves, but are constrained; for in all bodies with which we are acquainted, _there is no real, but an apparent rest, either in the whole, or in the parts_."