Truth
Is it important to you that your beliefs are objectively true? Or do you care more about whether they are emotionally satisfying? Or whether they conform to the norms of your in-group?
"All truths are easy to understand once they are discovered; the point is to discover them." -Galileo Galilei
The importance of truth can be found under trust, lying, misinformation, critical thinking, reality, and science.
"Men occasionally stumble over the truth, but most of them pick themselves up and hurry off as if nothing ever happened." -Sir Winston Churchill
How can you tell whether you are honestly pursuing truth or falling victim to cognitive biases or logical fallacies? These are discussed on the science and critical thinking pages.
"Truth is beautiful, without doubt; but so are lies." -Ralph Waldo Emerson
If Beauty is Truth and Truth Beauty, then Fractals represent the essence of both.