If one's cause is supported by sound reasoning, there is no point in using violence. It is those who have no motive other than selfish desire and who cannot achieve their goal through logical reasoning who rely on force.
Dalai Lama, Anne Benson, Fabien Ouaki (2016). “Imagine All the People: A Conversation with the Dalai Lama on Money, Politics, and Life As It Could Be”, p.127, Simon and Schuster