Some Ans. Questions 2014 by -'Abdu'l-Bahá- 1 Para

Briefly, good deeds become perfect and complete only after the knowledge of God has been acquired, the love of God has been manifested, and spiritual attractions and goodly motives have been attained. Otherwise, though good deeds be praiseworthy, if they do not spring from the knowledge of God, from the love of God, and from a sincere intention, they will be imperfect. For example, human existence must encompass all perfections in order to be complete. The power of sight is highly prized and precious, but it must be aided by that of hearing; the hearing is highly prized, but it must be aided by the power of speech; the power of speech is highly prized, but it must be aided by that of reason; and so on with the other powers, organs, and members of man. When all these powers, senses, parts, and organs are combined together, perfection is attained (84:7)

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