增壹阿含經 13.5.p8

13.5.p8

“Again, he completely fills one direction with compassion, and he delights himself. He does the same in two, three, and four directions, the four counterpoints, above, and below. He does likewise in all these directions of the whole world, which is limitless, measureless, and inestimable. His mind has no anger or hate, and he delights himself. Once he completely fills them with compassion and becomes joyous, his mind is proper.