I know the depth of the sea by facing the waves.Through the words of past and present wisdom, we teach to heal our injured minds. Through the process of healing the mind, we face our own inner and get the courage to change our lives. It is noteworthy that we can meet various thoughts of great intellects, philosophers, and scientists. From Dale Carnegie to Anton Chekhov, from Euripides to Ralph Waldo Emerson, from Einstein to Edison, they can be comforted and encouraged by their wisdom. In addition, the wisdom of Hindu and Buddhist scriptures, the Talmud of Judea, and the philosopher from Nozanana Zuja to Milton Bee can also be found between bookshelves.