You might consider getting and reading:

Beyond Feelings: A Guide to Critical Thinking 9th Edition

This succinct, interdisciplinary introduction to critical thinking
successfully dares students to question their own assumptions and to
enlarge their thinking through the analysis of the most common problems
associated with everyday reasoning. The text offers a unique and
effective organization: Part I explains the fundamental concepts; Part
II describes the most common barriers to critical thinking; Part III
offers strategies for overcoming those barriers.

Might help you stop projecting your beliefs as the thoughts of others.