大方廣佛華嚴經疏 58.26

58.26

第五指示後友。般若為得佛之所持，言菩提場。般若若現，則善守心城及一切智城，萬行由生，為增威力。

Fifth, directing [him] to the subsequent friend. Prajñā is that which is held by attaining buddhahood, termed the bodhimaṇḍa. If prajñā appears, then one well guards the citadel of the mind and the citadel of sarvajñā, from which the ten thousand practices arise, increasing power and authority.