Why is life on earth considered more valuable than heaven, and how can one achieve fearlessness even with a fleeting lifespan?

Chapter 37 asserts that the earth-world is of profound importance, even more so than heaven or the world of Brahma. The text questions the value of a place like heaven from which one falls after their merit is exhausted. In contrast, the earth-world is the unique place where one can attain ultimate liberation through the science of the oneness of Brahman and the Self. Though life on earth may be fleeting, the chapter explains that he who offers every action performed in a moment to God attains the place of fearlessness, making this life profoundly meaningful.