From the book "The Ordination of a Tree: The Thai Buddhist Environmental Movement"

Posted by drdoof on 08-07-2013, 3:11 PM :

Great compassion makes a peaceful heart.
A peaceful heart makes a peaceful person.
A peaceful person makes a peaceful family.
A peaceful family makes a peaceful community.
A peaceful community makes a peaceful nation.
A peaceful nation makes a peaceful world.

Maha Ghosananda

quoted in the book "The Ordination of a Tree: The Thai Buddhist Environmental Movement"