If we trace the history of any nation backwards into the past, we come at last to a period of myths and traditions which eventually fade away into impenetrable darkness.
Religion and practical life are not different. To take sanyas (renunciation) is not to abandon life. The real spirit is to make the country, your family, work together instead of working only for your own. The step beyond is to serve humanity and the next step is to serve God.
The most practical teaching of the Gita, and one for which it is of abiding interest and value to the men of the world with whom life is a series of struggles, is not to give way to any morbid sentimentality when duty demands sternness and the boldness to face terrible things.