The Door of Your Mind: Why Critical Thinking Trumps Closed-, Narrow-, and Even Open-Mindedness.
Critical thinking requires you to be mindful about what claims/ideas you accept as true. You have to cultivate curiosity; be open to constructive criticism; allocate time for reflection, avoid snap judgments; and embrace complexity and nuance.
Developing critical thinking is important because it helps you discern between ideas and improve your decision-making which can have a positive ripple effect in all areas of your life, making it better.