“Apostolic preaching is not marked by its beautiful diction, or literary polish, or Cleverness of expression, but Operates “in demonstration of the Spirit and of power.” BeautifulSpiritExpressionPreachingPolishDemonstrationClevernessApostolicDiction Book:In the Day of Thy Power: The Spiritual Principles of Revival Source: In the Day of Thy Power: The Spiritual Principles of Revival