Summary
This quote suggests that writers who are unable to be critical of their own work are doing themselves a disservice. By being too lenient and failing to recognize flaws or areas for improvement in their writing, they hinder their growth and development. True growth as a writer comes from being able to objectively evaluate one's work and accept constructive criticism, challenging oneself to constantly improve and refine their craft. It emphasizes the importance of self-reflection and the ability to be self-critical in order to reach one's fullest potential as a writer.