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<span style="background-color:transparent;color:#000000;">For the purity of which Sri Aurobindo speaks here is the purity of instinct, that obeys Nature's impulses spontaneously, never calculating, never questioning, never asking whether it is good or bad, whether what one does is right or wrong, whether it is a virtue or a sin, whether the outcome will be favourable or unfavourable. All these notions come into play when the mental ego makes its appearance and begins to take a dominant position in the consciousness and to veil the spontaneity of the soul.</span><ref>http://incarnateword.in/cwm/10/aphorism-30#p4</ref></span>