Diligent study of the Scriptures, regular attendance at meetings for worship, and zealous activity in the Kingdom - preaching work were essential.
आध्यात्मिक दृष्ट्या प्रगती करण्यासाठी प्रत्येक ख्रिस्ती व्यक्‍तीला मेहनत घ्यावी लागली.