We see over and over in scripture that with faith all things are possible. Believing in Yahshua Hamashiach's salvation is a perquisite to be a joint heir in the Kingdom with Yahweh. When we believe we are transformed and given power to live and walk as a son of Yahweh. We represent what He is pleased with and become new creatures. Remember that faith comes by hearing and hearing by the word of Yah.
But as many as received him, to them gave he power to become the sons of God, even to them that believe on his name: John 1:12 KJV http://bible.com/1/jhn.1.12.KJV