One caste, one religion, one GOD for mankind
The above quoted is the most famous of all teachings by Sri. Narayana Guru, whose role in eradicating apartheid in Kerala is very big. He preached the oneness of GOD and man. He asked us to worship that great power which resides in all of us, despite the difference in which religion we follow. Guru knew the problems in this world are basically rooted in the basic of human beliefs, ie, Religion.