A quick Google search suggests that free speech is a regarded as an important virtue for a functional, enlightened society. For example, according to George Orwell: “If liberty means anything at all, it means the right to tell people what they do not want to hear.” Likewise, Ayaan Hirsi Ali remarked: “Free speech is the bedrock of liberty and a free society, and yes, it includes the right to blaspheme and offend.” In a similar vein, Bill Hicks declared: “Freedom of speech means you support the right of people to say exactly those ideas which you do not agree with”. But why do we specifically need free speech in science? Surely we just take measurements and publish our data? No chit chat required. We need free speech in science because science is not really about microscopes, or pipettes, …
Source: The Scientific Importance of Free Speech – Quillette
I particularly like the closing:
As Christopher Hitchens remarked. “My own opinion is enough for me, and I claim the right to have it defended against any consensus, any majority, anywhere, any place, any time. And anyone who disagrees with this can pick a number, get in line, and kiss my ass.”
the names of the dozen or so most common cognitive distortions … Each time you notice yourself falling prey to one of them, you name it, describe the facts of the situation, consider alternative interpretations, and then choose an interpretation of events more in line with those facts. Your emotions follow your new interpretation. In time, this process becomes automatic. When people improve their mental hygiene in this way—when they free themselves from the repetitive irrational thoughts that had previously filled so much of their consciousness—they become less depressed, anxious, and angry.
thoughts. For example, when you have the thought I’m unlovable, you reject as irrelevant any evidence that people like you. Consequently, your thought cannot be refuted. “That’s not the real issue. There are deeper problems. There are other factors.”

