How To Be A Better Critical Thinker by Adam Grant

Who should you be 10% more skeptical of?
You should be 10% more skeptical of people you agree with.

Who should you be 10% more charitable to?
You should be 10% more charitable to people you disagree with.

Which ideas should you look for flaws in?
You should look for flaws in ideas you like.

Which ideas should you look for strengths in?
You should look for strengths in ideas you dislike.

Where should you learn from?
You should learn from sources that engage with competing ideas.