All these infinite living beings have that wish to be of pain, suffering, problems, and experience happiness, fulfillment, peace.  We have only one method that can bring that about, and that is love and compassion.

Whether it is people killing each other on Earth in wars at the macro level, or, at the micro level, people getting into arguments or fights with others, people hitting each other and so on; it all comes from this one problem:  a lack of love, a lack of compassion.

Written by Khenpo Karten Rinpoche, an excerpt from his book Precious Teachings, the chapter “Sunyata, Essence of Mind,” page 93 in the paper book, and page 100 in the online pdf.