“I waste at least an hour every day lying in bed. Then I waste time pacing. I waste time thinking. I waste time being quiet and not saying anything because I'm afraid I'll stutter.”

“I don't think you have time to waste not writing because you are afraid you won't be good at it.”

“Leela: Why are we listening to them? It is a waste of time.The Doctor; It is difficult to know what will be a waste of time until after the time has been wasted, by which time it is too late. So predicting what will be a waste of time is something of a waste of time. Unless it gives you pleasure of course when it probably doesn't count as a waste of time.Leela (yawning): I am sorry I did not hear what you said, Doctor.The Doctor (smiling): That was a waste of time then.”

“I'm not the type to look back over my shoulder, or at least I try hard not to be. Gone is gone; pretending anything else is a waste of time.”

“There is no effort in time wasted by remembering the truth. A lie requires an effort of life and wasted time to remember because one lie tends to become a lifestyle that destroys.”

“I wouldn't waste a day, not an hour, not a moment. Take what you want and damn caution. Live, enjoy. Feed ravenously. Or the biggest regret you'll have at the end of your life is wasted time.”