This document explores teachers' beliefs about English language teaching. It discusses the sources of teachers' beliefs, which include their own experiences, what works best, established practices, personality factors, and educationally-based principles. It also addresses teachers' beliefs about why English is important, how it should be taught, learning approaches, the teacher and student roles, and evaluating teaching as a profession. The document provides questions for teachers to reflect on their own beliefs and ways to observe each other's teaching to compare beliefs.