Solitude is happiness for one who is content, who has heard the Dhamma and clearly sees. Non-affliction is happiness in the world - harmlessness towards all living beings.
Gautama BuddhaWhatever the hateful do to the hateful, or an enemy to an enemy, worse is the harm of a misguided mind directed at oneself.
Gautama BuddhaFor one who is a learner and who has not yet come to master their mind, but who dwells aspiring for peace from that which binds, making it a matter concerning himself, I know of no other thing as helpful as giving close attention to the mind.
Gautama Buddha