Quotes from Vimalakīrti Nirdesa Sutra
"Non-observing is bodhi because it transcends all conditions;
Non-mentation is bodhi because it is without mindfulness;"
維摩詰所說經 菩薩品 第四
「不觀是菩提，離諸緣故；
不行是菩提，無憶念故；」
Vimalakīrti Nirdesa Sutra, Vol. 4
« Buddha Treasury Sutra, Vol. 1 Śūraṅgama Sūtra, Vol. 2 »