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 <WSD>mind</WSD> - sacrificium corporis , sacrificium intellectus - then there is no alternative but that the price remain unpaid . 
Meaning of the word marked with <WSD> tags:  that which is responsible for one's thoughts and feelings; the seat of the faculty of reason