Sūta said: These four who are of all kinds of forms will become popular as my sons. Since they are of different colours, their subjects too will be of different colours or castes (Varṇas), and allowed the use of Gāyatrī. Man’s aim of life will be fourfold: virtue, wealth, desire and liberation. All living beings will come under four groups[3], Four stages of life. The feet of Dharma will be four[4] since my sons are four in number.