Whether you live peacefully or not depends on you. If you are patient, you will be peaceful. But if you begin to return evil for evil, peace will depart, and God will leave the mob to serve justice. Where there is peace, there is God. His dwelling is peace.
This quote is from St. Anatoly and can be found in Living Without Hypocrisy: Spiritual Counsels of the Holy Elders of Optina, Holy Trinity Monastery.