Determination of one's personality using Vedic astrology? Sattvam Rajastama iti gunah prakrtisambhavah. Nibadhnanti mahabaho Dehe Dehinamavyayam.                           -Gita Chapter 14(SlokeNo 3) Meaning- Lord Krishna said to Arjuna: The three modes of material nature,sattva,rajas and tamas,condition the living entity,when he comes in contact with the nature.. As a result,there are three gunas in nature.Guna means quality. These qualities are also given to Planet and houses. How the energy of Planet will express also depends on this Guna or quality.For example we can produce electricity from water or from thermal power or from Solar energy. All these are different form of energy, the expression of energy is different. We need different infrastructure for them. No one is superior or inferior but still they are different from one another. They are all same energy but with different expression. Satta means the qualities which gives Love, generosity, Higher wisdom, Knowledge, intel