“Go forth, o bhikkhus, for the good of the many, for the happiness of the many, out of compassion for the world, for the benefit, for the good, for the happiness of gods and men. Let not two go by one way. Preach the doctrine that is beautiful in its beginning, beautiful in its middle, and beautiful in its ending. Declare the holy life in its purity, completely both in the spirit and the letter.”
~ Vinaya Pitaka Mahavagga Ch 5