Kama-krodha-vimuktanam
yatinam yata-cetasam
abhito brahma-nirvanam
vartate viditatmanam
Meaning: Those who are free from anger and all material desires, who are self-realized, self-disciplined and constantly endeavoring for perfection, are assured of liberation in the Supreme in the very near future.
Bhagavad Gita: Assured liberation in the Supreme (Karma-yoga-Action in Krsna (divine) Consciousness (Text 26, Ch 5)