Through Scripture we must become mature and skilled in “the word of righteousness” (Heb. 5:13)—able to convert unbelievers, as Paul converted his Philippian jailer. Paul was so mature that even after being beaten and imprisoned, his testimony of praise to God actually redeemed the jailer’s life, both physically and spiritually. Like Paul, we must move from milk to solid food. God calls us to radical spiritual change – a powerful testimony to the world.