You are all spirits. It is not that you "have" a spirit. To have a spirit implies that you are spirit and that you are also something else. Human beings are spirits. Being a human being is one of the ways of being a spirit.
None shall be saved by Christ but those only who work out their own salvation while God is working in them by His truth and His Holy Spirit. We cannot do without God; and God will not do without us.
One must never have spared oneself, one must have acquired hardness as a habit to be cheerful and in good spirits in the midst of nothing but hard truths.