What does the Bible say about Christians being the salt of the earth?

In Matthew 5:13, Jesus declares, 'Ye are the salt of the earth.' This metaphor illustrates the essential role of Christians in society, highlighting their responsibility to influence and enhance the world around them. Just as salt adds flavor to food and preserves it from decay, Christians are called to embody the character of Christ and show forth His love and mercy. If believers lose their 'savor' or distinctiveness, they become ineffective in their witness and contributions to a fallen world.