It is not possible to NOT pick and choose, especially if you happen to be Christian.
For example, I happen to be Wiccan (true). You meet me. I tell you that I'm Wiccan. Now, do you follow "thou shalt not suffer a Witch to live", or "thou shalt not kill"? Either you have to murder me or you have to not murder me, and either choice violates part of God's law.
For the record, I would prefer it if you didn't.