The Basic Passage on the Four Sublime States:
from the discourses of the Buddha

I.

Here, monks, a disciple dwells pervading one direction with his heart filled with loving-kindness, likewise the second, the third, and the fourth directions; so above, below and around; he dwells pervading the entire world everywhere and equally with his heart filled with loving-kindness,
abundant, grown great, measureless, free from enmity, and free from distress.

II.

Here, monks, a disciple dwells pervading one direction with his heart filled with compassion, likewise the second, the third, and the fourth directions; so above, below and around; he dwells pervading the entire world every-where and equally with his heart filled with compassion, abundant, grown great, measureless, free from enmity, and free from distress.

III

Here, monks, a disciple dwells pervading one direction with his heart filled with sympathetic joy, likewise the second, the third, and the fourth directions; so above, below and around; he dwells pervading the entire world everywhere and equally with his heart filled with sympathetic joy,
abundant, grown great, measureless, free from enmity and free from distress.

IV

Here, monks, a disciple dwells pervading one direction with his heart filled with equanimity, likewise the second, the third, and the fourth directions; so above, below and around; he dwells pervading the entire world every-where and equally with his heart filled with equanimity, abundant, grown great, measureless, free from enmity and free from distress.

~ Digha Nikaya 13 ~