Are you suggesting that giving a testimony about God's wisdom and quoting from the Bible is to "practice piety before men"?
You must admit that quite a good deal of the Bible can be open to interpretation.
Take this passage, for example:
4. Unfaithful people! Don't you know that to be the world's friend means to be God's enemy? If you want to be the world's friend, you make yourself God's enemy.
If we are not to be the world's friend, therefore by logical conclusion we are to be the world's enemy. Therefore, according to this passage, it is God's will for us to treat it as an enemy, to treat it with suspicion, to treat it with disdain, to attack it and maybe even destroy it. If you interpret it like that, logically it is Christian to want to pollute the world's environment, in order to destroy it.
9. Be sorrowful, cry, and weep; change your laughter into crying, your joy into gloom!
This can be taken to mean, it is unChristian to be joyful. It is unchristian to laugh, to smile, to not weep.
It is my firm belief that you must question the Bible and all that is within it. You mustn't question it in a way that would allow you to understand it better, to understand what its really saying, for it is all open to interpretation and everything may have double meanings.
Reality is far greater than one man, so one man can never see the entire truth and one viewpoint will never allow you to see all of reality.
(Hm... I like that phrase. I might just make it my signature).