PRIMARY READING: Satipaṭṭhāna Sutta (“Foundations of Mindfulness”) - Majjhima Nikaya 10
Four Foundations of Mindfulness
• Kaya - Body
• Vedanā - Sensory reactions
• Citta - Mind States
• Dharmas - Principles
Related teachings in fours:
- Four [Meditative] Postures - sitting, standing, walking, laying down
- Four Elements: Earth (solidity or density), Water (liquidity or viscosity), Fire (temperature), Air (Wind, auto-movement)