labhante brahma-nirvanam
rsayah ksina-kalmasah
chinna-dvaidha yatatmanah
sarva-bhuta-hite ratah
Meaning: Those who are beyond the dualities that arise from doubts, whose minds are engaged within, who are always busy working for the welfare of all living beings, and who are free from all sins achieve liberation in the Supreme.
Bhagavad Gita: Achieve liberation in the Supreme (Karma-yoga-Action in Krsna (divine) Consciousness (Text 25, Ch 5)
*** The sufferings of humanity are due to forgetfulness of Krsna(God) as the supreme enjoyer, the supreme proprietor and the supreme friend.