The 'four stations （or bases） of mindfulness'; also; the fourfold contemplation to be practiced after one has completed the exercise of tranquilizing one's mind: （1） shennianzhu 身念住， contemplating one's body as defiled; （2） shounianzhu 受念住， contemplating one's feelings as painful: even though there are agreeable sensations， they are deceptive， and there is no true pleasure in the world; （3） xinnianzhu 心念住， contemplating one's mind as constantly changing and （4） fanianzhu 法念住， contemplating things in general as devoid of inherent existence. The four bases of mindfulness are included in the thirty-seven elements of enlightenment （三十七道品）. Also written 四念处.