They said, 'We desire, to profit, from it, and to implement it and draw strength from it, and that our hearts be reassured, because knowledge is the nourishment of the heart and its source of nutrition, and that we may know, your truthfulness in what you inform of your Lord, your prophethood and your authority therein and thereby, and that we may be among the witnesses thereof', who are present, possessors of knowledge, to inform others who are absent about it, to teach them and to call them to God by it.
