Quote from : Star Trek II: The Wrath of Khan Movie

McCoy: He's not really dead. As long as we remember him.
Kirk: It's a far, far better thing I do than I have ever done before. A far better resting place that I go to than I have ever known.
Carol Marcus: Is that a poem?
Kirk: No. Something Spock was trying to tell me. On my birthday.
McCoy: You okay, Jim? How do you feel?
Kirk: Young. I feel young.