请编程输出托尔斯泰的一句名言：
Leo Tolstoy said, "Pure of heart, life is full of sweet and joy."
请编程输出托尔斯泰的一句名言：
Leo Tolstoy said, "Pure of heart, life is full of sweet and joy."
无
Leo Tolstoy said, "Pure of heart, life is full of sweet and joy."
Leo Tolstoy said, "Pure of heart, life is full of sweet and joy."