For one believes with the heart and so is justified, and one confesses with the mouth and so is saved. Romans 10:10

For by grace you have been saved through faith, and this is not your own doing; it is the gift of God — not the result of works, so that no one may boast. Ephesians 2:8-9

For I am convinced that neither death, nor life, nor angels, nor rulers, nor things present, nor things to come, nor powers, nor height, nor depth, nor anything else in all creation, will be able to separate us from the love of God in Christ Jesus our Lord. Romans 8:38-39