There is a world of difference between a bird sitting and singing in a tree and a bird singing in a cage. It is only when the mind is free that the person can be free, not otherwise.
With a free and quiet mind, we are able to live with a song of life, a song of love, a song of joy in our hearts.
Yet our freedom should not be used as a reckless license to do anything we please. In true freedom and happiness, we like whatever we do, but we do not always do whatever we like.