The quality of sattva combines goodness, purity, light, harmony, balance. In terms of evolution, sattva is on the highest level. Rajas is energy – or, on the human level, passion – which can be both good and bad. In personality rajas may express itself in anger, hatred, or greed; but it also provides motivation, the will to act. Rajas is ambitious, which is not altogether a bad thing for the evolution of the soul. It is definitely superior to the third guna, tamas, which combines inertia, sloth, darkness, ignorance, insensitivity. This is the lowest state in terms of evolution; for tamas means
...more