The human imagination... has great difficulty in living strictly within the confines of a materialist practice or philosophy. It dreams, like a dog in its basket, of hares in the open. ↗
In the Bhagavad Gita, there is no long discussion, nothing elaborate. The main reason for this is that everything stated in the Gita is meant to be tested in the life of every man; it is intended to be verified in practice. ↗