Albert Ellis, the founder of Rational Emotive Behavior Therapy (REBT), revolutionized how we understand the language of our thoughts, especially the words should , ought , and must . These words may seem harmless, but Ellis identified them as key contributors to emotional distress and irrational beliefs. This blog explores what Ellis said about these terms, why they matter, and how changing our relationship with them can improve mental well-being. Person reflecting on the imp