Oneness (Eines)

Religious philosophy

• Holismus
• Nichtdualismus
• Henosis, a concept in Greek mysticism denoting "oneness" or "unity"
• Monismus, a metaphysical concept in philosophy
• Meditative absorption, oneness, Samadhi
• Divine simplicity, a theological doctrine that holds God is without parts
• Monotheismus, the belief that only one deity exists
• Tawhid, Islam's fundamental concept that God is one and single
• The three oneness, three core assertions in the Bahai-Lehren#Einheit
• Oneness Pentecostalism, a movement of nontrinitarian denominations

Secular philosophy

• Systems thinking