The main idea of the entire passage and of the entire context is the phrase by grace you have been saved. (redeeminggod.com)
Both verses say that it is by grace you have been saved. (redeeminggod.com)
But I must be honest in admitting that I had nothing to do with my ability to understand at least some of the Bible... For by grace you have been saved through faith. (religion.blogs.cnn.com)