In a life, there is not only we need knowledge right, we have to a supportive text that explain our thinking, a philosophy is one of them, and when our ancestors are knowledgeable to write whole knowledge at that time in so detailed and easy way so what you think they didn’t write the supportive texts? Actually they written it and you may shock if you know the many text they written. 108 in number of philosophical text are present in our bharat for the all prospect of life, you have nothing get knew beyond it and I think you were definitely heard their name that is know as upanishada or vedanta. The upanishadas are philosophical texts. They are generally called vedanta, as they came towards the end of the veda. There are 108 upanishadas. Vrihadaranyaka is the oldest upanishada. We will know about these in little details. So next 10 videos are on it. If you want to know how thought ful are they at that time please listen this video series.