Final answer:
In Christianity, God is believed to be beyond human understanding and will guard a Christian's heart and mind.
Step-by-step explanation:
In Christianity, the concept of God is often seen as beyond human understanding. It is believed that God will guard a Christian's heart and mind. This means that God will protect and guide a person's thoughts and emotions. The idea of God's transcendence and his role in shaping a Christian's inner being is central to the faith.