There is an ancient Zen parable that also speaks of the "inability to let go." During the Buddha's lifetime, a Brahmin named Kurojiru came to offer flowers, holding a vase in each hand. The Buddha said to him, "Let go." The Brahmin then set down the vase in his left hand. The Buddha said again, "Let go," and the Brahmin set down the vase in his right hand. Yet, the Buddha continued to say, "Let go!" The Brahmin replied, "My hands are empty; there is nothing left to let go of!" The Buddha answered, "No, you must also let go of your six sense organs, the six dusts, and the six consciousnesses. When you have let all these go and reach a state of nothingness, you will be liberated from the shackles of birth and death."
Indeed, truly letting go of what we grasp in our hands is no easy task. When we possess fame, we become obsessed with pursuing profit and status; when we have wealth, we become preoccupied with money; when we experience love, we yearn for it to last forever; and when we have a career, we cling stubbornly to it. The burdens on our shoulders and the weight in our hearts are far more than just the small vases in our hands. These burdens and pressures cause us to lose our original selves, making us struggle through life. Our hearts sink deeper and deeper into the mire of the mundane world, until we can no longer escape. Learning to "let go" is perhaps the best way to allow a weary heart to find liberation from the depths of suffering.