This document discusses how to deal with negative criticism. It defines positive and negative criticism, noting that negative criticism focuses only on faults and mistakes to damage someone's reputation. While criticism can be helpful for improving work, negative criticism should be handled carefully. Effective ways to deal with negative criticism include understanding a critic's motives, remaining calm, acknowledging valid points, and learning from the experience rather than fighting or ignoring criticism. The overall message is to not let negative criticism undermine you but instead use it constructively to improve.