Good and evil.

As for healings—it's a murky business... Pagan priests and shamans also seem to work, not to mention other world religions...

The argument from testimony is also weak—about Allah, for example, Muhammad testifies (don't tell me it translates as "God"! I know! I'll even add—"lah" means "god"; "al" is the definite article—so you get something like "the God"—"Al-lah". Theologically, these gods are completely different!). As for testimonies of appearances, for example, of bodhisattvas, or even more so, pagan deities, they are simply countless!

I believe in God; but why—I cannot say exactly... I just somehow... don't even feel it, I just know (although this is a very presumptuous statement, I couldn't find a better word :(), that He exists...