When living in the world as well as in the afterlife

Anyone who wants the life of the world then must have knowledge and who wants the next life then also with science and whoever wants the provision of the world and the hereafter then also must have knowledge.

With the human knowledge will gain a lot of usefulness when living in the world and in the hereafter, that is when the science we give to others is useful then we will also get multiples of usefulness.