Radical acceptance rests on ...

Radical acceptance rests on letting go of the illusion of control and a willingness to notice and accept things as they are right now, without judging.
 Marsha M. Linehan

Quotes from the same author

Acceptance is the only way out of hell.
 Marsha M. Linehan
People with BPD are like people with third degree burns over 90% of their bodies. Lacking emotional skin, they feel agony at the slightest touch or movement.
 Marsha M. Linehan