"Intrinsic Qualities", and Differences in Physicality and Externality
External ( colour, race, caste, gender, and other physicalities) differences do not indicate that the Diffetences are due to ' causes of 'Karma' : those who evaluate Honestly and with Brilliance, assess on basis of "Intrinsic Qualities" of Trustworthiness, Knowledge, Trueness, Peacefulness; the 'Intrinsic Qualities' are what are 'Enduring, Offer an Equal Avenue and Describe the individual.'
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It was "Instinctively natural" for Humans to be "loving" ( manifestations/ Affiliations of Love: caring, considerate, dutiful and knowing ) ; mere power of 'choice' does not indicate any 'Superiority' of species.
In 'humans' at large,
"Natural Instincts" of "Love (& it's affiliated Inclinations of caring, trust, companionship, mutuality)" became 'lust' (& affiliated Tendencies of envy, hatred etc.) , & are Indications of "sick Minds", . .. ' The Infinite nature ' has rendered opportunity to regain the
' natural Instincts' towards 'existence/love ' via Choice mechanism .. .
( lust& its affiliates : 'hate, envy etc', cause annihilation/ erradicate/
eliminate );
'Infinite nature' has instilled scope towards 'Existence continuity' in all 'Sentience' in different ways ("choice making" is one such Method-& having "scope for Choice" does not indicate "superiority" - it is one Way to regain " normal " Instincts of Love), and within time limits; It is Inherent fact of Existence that Sentience continues to exist beyond mortality & physicality, and Love ( Righteousness/ Peace/ Harmony) is eternally "superior Quality/worthwhile Existence."
Many species are instinctively already Loving beings.