仁王護國般若波羅蜜多經 2.51

2.51

「東方金剛手菩薩摩訶薩，手持金剛杵，放青色光，與四俱胝菩薩往護其國。

"In the east, the bodhisattva mahāsattva Vajrapāṇi, holding a vajra pestle in his hand and radiating blue light, together with four koṭis of bodhisattvas, will go to protect their state.