“Every lie is a poison; there are no harmless lies. Only the truth is safe. Only the truth gives me consolation - it is the one unbreakable diamond.” 
― Leo Tolstoy

“To tell the truth is very difficult, and young people are rarely capable of it.” 
― Leo Tolstoy

“I sit on a man's back choking him and making him carry me, and yet assure myself and others that I am sorry for him and wish to lighten his load by all means possible....except by getting off his back.” 
― Leo Tolstoy, What Then Must We Do?