Whoever knows and recognizes how near God’s Kingdom is to him may say with Jacob, “God is in this place, and I knew it not.”
Meister Eckhart, "The Nearness of the Kingdom"

Once, having been asked by the Pharisees when the kingdom of God would come, Jesus replied, "The coming of the kingdom of God is not something that can be observed, nor will people say, 'Here it is,' or 'There it is,' because the Kingdom of God is within you.