Devahūti engaged only in the service of Kardama Muni. She was not supposed to be so advanced in austerity, ecstasy, meditation or Kṛṣṇa consciousness, but, imperceptibly, she was sharing her husband's achievements, which she could neither see nor experience. Automatically she achieved these graces of the Lord.
What are the graces of the Lord? It is stated here that the graces of the Lord are abhaya, free from fearfulness. In the material world, if someone accumulates a million dollars, he is always full of fear because he is always thinking, "What if the money is lost?" But the benediction of the Lord, bhagavat-prasāda, is never to be lost. It is simply to be enjoyed. There is no question of loss. One simply gains and enjoys gaining. Bhagavad-gītā also confirms this: when one achieves the grace of the Lord, the result is that sarva-duḥkhāni, all distresses, are destroyed. When situated in the transcendental position, one is freed from the two kinds of material diseases—hankering and lamentation. This is also stated in Bhagavad-gītā. After devotional life begins, we can achieve the full result of love of Godhead. Love of Kṛṣṇa is the highest perfection of bhagavat-prasāda, or divine mercy. This transcendental achievement is so greatly valuable that no material happiness can compare to it. Prabodhānanda Sarasvatī said that if one achieves the grace of Lord Caitanya he becomes so great that he does not care a fig even for the demigods, he thinks of monism as hellish, and for him the perfection of controlling the senses is as easy as anything. Heavenly pleasures become to him no more than stories. Actually, there is no comparison between material happiness and transcendental happiness.
By the grace of Kardama Muni, Devahūti experienced actual realization simply by serving. We get a similar example in the life of Nārada Muni. In his previous life, Nārada was a maidservant's son, but his mother was engaged in the service of great devotees. He got the opportunity to serve the devotees, and simply by eating the remnants of their foodstuff and carrying out their orders he became so elevated that in his next life he became the great personality Nārada. For spiritual achievement the easiest path is to take shelter of a bona fide spiritual master and to serve him with heart and soul. That is the secret of success. As stated by Viśvanātha Cakravartī Ṭhākura in his eight stanzas of prayer to the spiritual master, yasya prasādād bhagavat-prasādaḥ: by serving or receiving the grace of the spiritual master, one receives the grace of the Supreme Lord. By serving her devotee husband, Kardama Muni, Devahūti shared in his achievements. Similarly, a sincere disciple, simply by serving a bona fide spiritual master, can achieve all the mercy of the Lord and the spiritual master simultaneously.