Out-argue

You have to out-drink, out-boast, out-fight, out-argue the horde of people who float around the pub (The Royal George, Lorenzini's bistro, etc. for downtown Sydney; the Sydney University Union café for “uptown”).

Galileo was very good in debate: he could, his admirers believed and his opponents acknowledged, out-argue anyone.

They may try to out-argue and out-evidence those who would dispossess them, but they need money to do so.