" Obstinate was curious and asked, “What are the things you are searching for that can’t be found in this world?” “I’m searching for a joy that does not fade,” replied Christian, “a secure inheritance in Heaven that cannot be corrupted and will be given at the appointed time to those who earnestly search for it.” He held out the book in his hand. “Don’t take my word for it. Read it in my book.”11 "

― John Bunyan , The Pilgrim's Progress: A Readable Modern-Day Version of John Bunyan’s Pilgrim’s Progress (The Pilgrim's Progress Series Book 1)