What convinces is conviction. Believe in the argument you're advancing. If you don't you're as good as dead. The other person will sense that something isn't there, and no chain of reasoning, no matter how logical or elegant or brilliant, will win your case for you.
“I wanted to write a song that's known to the world as a classic, stadium-rock anthem.”
“I got amazing training both with Theatre Sports... back in Edmonton, Alberta - I can't give those people enough credit - and the daytime drama I did. Incredible training, both of them.”