What type of faith ? Dogmatic faith in things not in evidence.
Then, later, he said:
From your link, it seems that you're saying there's no way to prove that evidence is the best way to discover truth, as trying to do so degenerates into a circular proof. Sounds right to me.
This leads him, however, to one of the problems I've stated:
Since he (the Jolly Nihilist) has chosen a faith-based position for his First Principle, why not just go with "faith is the best way to discover truth"? Obviously evidence failed him in this question and faith resolved the problem. Why not just stick with that? Why go with what failed him in this most important, overarching question of First Principle?