That he can not act with out our help. If we have enough belief than God has to answer our prayers. That is not what the Bible says. The Bible says that God is sovereign, not us. Search the scriptures and let them speak for themselves.
People are fallible.
I pray that your faith in God, will be built on the Word of God. That's all that will last in the end. Below are some of God's attributes that people no longer believe like they use to. False teaching is taking our eyes off of the one true God. Please don't take my word for it.