The first incident that Dickens has portrayed to show the power of love was, Lucie restored love and life to Dr. Manette, who has suffered a lot from his 18 years imprisonment. The quote which showed how lovingly was Lucie to her father and how her father was comforted by her were with hands which were extending towards him, trembling with eagerness to lay the spectral face upon her warm young breast, and love it back to life and hope and his cold white head mingled with her radiant hair, which warmed and lighted it as though it were the light of Freedom shining on him. After 18 years of darkness, Doctor Manette was restored to life by her daughter, Lucie. With her love, it enabled him to regain his confidents and hope, and it became significantly important later when Lucie met Darnay and fell in love with him.
Second, Cartons love to Lucie empowered him to sacrifice for her, at the same time, restored the true meaning to his own wasted life. Carton was originally a wasted man who drank wine often and cared nothing. He confessed to Darnay when he first met him, I am a disappointed drudge, sir. I care for no man on earth, and no man on earth cares for me. But when he fell in love with Lucie, he was motivated to do something better and worthier than what he has been doing. He promised, For you, and for any dear to you, I would do anything. If my career were of that better kind that there was any opportunity or capacity of sacrifice in it, I would embrace any sacrifice for you and for those dear to you. With this quote, it was proved that the power of love could empower a wasted man to change his attitude towards his own life and did something