Benevolence -- how to wish well. The actual instructions on metta bhavana.

Texts quoted: Karaniya Metta Sutta: The Buddha's Words on Loving-Kindness (Sn 1.8), translated from the Pali by The Amaravati Sangha. Access to Insight (Legacy Edition), 2 November 2013, http://www.accesstoinsight.org/tipitaka/kn/snp/snp.1.08.amar.html .

Commentary on words and phrases by Andrew Olendzki http://www.dharmanet.org/coursesM/18/mettasutta6.htm