(Click to enlarge painting of the marriage of Sita and Rama)
"Riches come from Lakṣmī, the goddess of fortune, and the goddess of fortune is the property of Nārāyaṇa, the Supreme Personality of Godhead. The goddess of fortune cannot stay anywhere but by the side of Nārāyaṇa; therefore another of her names is Cañcalā, restless. She cannot be peaceful unless she is in the company of her husband, Nārāyaṇa. For example, Lakṣmī was carried away by the materialistic Rāvaṇa. Rāvaṇa kidnapped Sītā, the goddess of fortune belonging to Lord Rāma. As a result, Rāvaṇa's entire family, opulence and kingdom were smashed, and Sītā, the goddess of fortune, was recovered from his clutches and reunited with Lord Rāma. Thus all property, riches and wealth belong to Kṛṣṇa. As stated in Bhagavad-gītā (BG 5.29):
'The Supreme Personality of Godhead is the true beneficiary of all sacrifices and austerities, and He is the supreme proprietor of all the planetary systems.'
Foolish materialistic people collect money and steal from other thieves, but they cannot keep it. In any case, it must be spent. One person cheats another, and another person cheats someone else; therefore the best way to possess Lakṣmī is to keep her by the side of Nārāyaṇa. This is the point of the Kṛṣṇa consciousness movement. We worship Lakṣmī (Rādhārāṇī) along with Nārāyaṇa (Kṛṣṇa). We collect money from various sources, but that money does not belong to anyone but Rādhā and Kṛṣṇa (Lakṣmī-Nārāyaṇa). If money is utilized in the service of Lakṣmī-Nārāyaṇa, the devotee automatically lives in an opulent way. However, if one wants to enjoy Lakṣmī the way Rāvaṇa did, he will be vanquished by the laws of nature, and whatever few possessions he has will be taken away. Finally death will take everything away, and death is the representative of Kṛṣṇa."
(Śrīmad-Bhāgavatam 5.14.24, Purport)