Mark 4:30-32 "Then He said, "To what shall we liken the kingdom of God? Or with what parable shall we picture it? (31) It is like a mustard seed which, when it is sown on the ground, is smaller than all the seeds on earth; (32) but when it is sown, it grows up and becomes greater than all herbs, and shoots out large branches, so that the birds of the air may nest under its shade."Our Lord Jesus, when He was on the earth, stated that the kingdom of God is within us. The parable that our Lord described above, is a picture of the kingdom of God that is in each believer. We are all born into the kingdom of God in seed form, for the Holy Spirit tells us that we have been born again of the incorruptible seed of the word of God. It is God's intention, that all of His children grow from that small seed into large trees, that can be used of Him to bless the lives of those around them. It is the spirit of the born-again believer that can grow. This book examines what God's word says, on the subject of growing strong in spirit.