Sri Aurobindo's Savitri - The Auroville Radio Talks: Book II, Canto X, Part 3

The Traveller has come to the third and greatest of the functions of our mind at the level of the mind which is limited to the information given to it by our senses. It is Reason, a mental process which we have always valued very highly. Sri Aurobindo shows us Reason’s limitations. For a world seen, Reason weaves a world conceived. Reason tries to harmonize all life by controlling it with thought, but the real source of harmony is beyond the senses. If we use only reason to define our world, we end up in a reality where there is no place for soul or spirit because Reason can not experience things which are not brought to it by the senses.