Give faith-based justifications no countenance. [...] Let the utterer know that faith is not an acceptable basis from which to draw a conclusion that… - Peter Boghossian

Most basic elements of civil discussion, especially over matters of substantive disagreement, come down to a single theme: making the other person in a conversation a partner, not an adversary. To accomplish this, you need to understand what you want from the conversation, make charitable assumptions about others' intentions, listen, and seek back-and-forth interaction (as opposed to delivering a message).

[About homelessness:] Some people on the far left don't want that problem solved because they look at the manifestation of homelessness as indicative of a problem with the system. And as long as we can keep homelessness there, we can see that the system is corrupt and then we can incentivize people to rip down the system because we want social justice. [...] We want to remediate these larger economic problems that we know the source of these are the capitalist structure.

Inquiry and wonder must replace dogmatism and certainty. The long-term goal is to create conditions that turn the dispositions of inquiring and wondering into culturally trumpeted values.