Human species are most rare species because this offers us the most rare opportunity of coming to temple or coming to god or thinking of god, hearing about god or this dharma business, this religion business is only for human beings.
Without becoming a devotee of the Lord, one cannot perfect one's human life. The perfection of human life is to be elevated to the spiritual world, where there is no birth, no death, no disease and no old age. Without this aim, any amount of material advancement in so-called comforts can only bring the defeat of the human form of life.
The highest message of religious and spiritual wisdom is that the human form of life is a matchless gift of God and it should be utilized to perfect human consciousness and to realize the full meaning of life.
Every aspect of human life is meant to create a favorable environment to purify our hearts.