Loving-kindness

Prerequisites to the Practice of Metta (Fifteen Qualities)
1. able, capable, in the spiritual life
2. upright (not deceptive, not crooked)
3. honest (not hypocritical, not pretending to have virtues one doesn’'t possess)
4. easy to speak to, amenable to correction
5. gentle, soft
6. not arrogant, not proud
7. contented
8. easy to support
9. not involved with many duties
10. light in one’s activities
11. with calm sense faculties
12. discreet, possessing pragmatic wisdom
13. not impudent
14. not greedy when among families
15. he should not do anything even slight because of which other wise ones might reproach him.

Metta Sutta teachings by Bhikhu Bodhi


The Philosophy and Practice of Universal Love by Acharya Buddharakkhita