This classic work by John Bunyan is known as the greatest allegory in the English language. It describes the journey of "Pilgrim" as he travels through life struggling onward through trials and temptations to reach the celestial city and keep to the path which is the narrow road. A classic allegorical tale which is enjoyable to read and teaches about the life of a man on the way to his reward.
“I must venture. To go back is nothing but death: to go forward is fear of death, and life everlasting beyond it: I will yet go forward.” (source)
“The Interpreter answered, This is Christ, who continually, with the oil of his grace, maintains the work already begun in the heart; by the means of which, notwithstanding what the devil can do, the souls of his people prove gracious still. 2 Cor. 12:9. And in that thou sawest that the man stood behind the wall to maintain the fire; this is to teach thee, that it is hard for the tempted to see how this work of grace is maintained in the soul.” (source)
“Then said Goodwill, Alas, poor man; is the celestial glory of so little esteem with him, that he counteth it not worth running the hazard of a few difficulties to obtain it?” (source)
“Mr. Worldly Wiseman: he dwelt in the town of Carnal Policy” (source)
“Fear not the lions, for they are chained, and are placed there for trial of faith where it is, and for discovery of those that have none: keep in the midst of the path, and no hurt shall come unto thee.” (source)