We don't really persuade people. They persuade themselves. But here's a way to influence their thinking.
'Put yourself in the other person's shoes' might be a cliched instruction, but it should be in your persuasion toolkit.
Make it a habit in your team.
Okay, so you've collected your facts and prepared PowerPoint slides. You're sure your evidence is overwhelming and you've quoted authorities to support your arguments. You are ready to present your proposal to your community.
What could possibly go wrong?