Sentence:  Expressed differently : if the price for becoming a faithful follower of Jesus Christ is some form of self-destruction , whether of the body or of the mind - sacrificium corporis , sacrificium intellectus - then there is no <WSD>alternative</WSD> but that the price remain unpaid . 
Meaning of the word marked with <WSD> tags:  one of a number of things from which only one can be chosen