Let every youth consider the parable of the ten virgins. All had lamps, that is, an outward semblance of religion; but only five of them had the inward piety. Five of them were wanting in the oil of grace. The Spirit of life in Christ Jesus, the Holy Spirit, was not abiding in their hearts. Without the oil of grace, of what use was it to bear about a lamp of profession? However high may be the profession, however high may be the position held by a professor of religion, if the oil of grace is wanting, he has nothing with which to feed his lamp, and it cannot send forth clear, shining rays of light....