How the Prophets Made Da`wah!

Da`wah should be made purely and sincerely, seeking Allah's pleasure to seek the Face of Allah (and seeking His Reward) - not for show, repute, status, leadership, nor desiring worldly goals. If any of these goals adulterate it, the call is no longer for Allah; rather it is for one's own benefit or for the attainment of worldly goals. Allah informs us that His Prophets said to their people (what means)