The essence of spiritual practice is your attitude toward others.
The Dalai Lama (b. 1935) Tibetan Buddhist spiritual leader [The 14th Dalai Lama; a/k/a Lhama Thondup / Lhama Dhondrub; b. Tenzin Gyatso]
“The Dalai Lama in Depth,” Interview with Catherine Ingram, Yoga Journal (Jan/Feb 1990)
(Source)