" Brother?” Gavilar said. Dalinar turned back and regarded Gavilar, who was bathed by the bleeding light of a fire reaching its end. “Words are important,” Gavilar said. “Much more than you give them credit for being.” “Perhaps,” Dalinar said. “But if they were all-powerful, you wouldn’t need my sword, would you?” “Perhaps. I can’t help feeling words would be enough, if only I knew the right ones to say. "

― Brandon Sanderson , Oathbringer (The Stormlight Archive, #3)