“If you have never said "Excuse me" to a parking meter or bashed your shins on a fireplug, you are probably wasting too much valuable reading time.”

“How can you possibly know how much I miss you?" he said. "Have you got some sort of built-in miss-o-meter that can give us a reading?" "I'm a girl; of course I have a built-in miss-o-meter.”

“It's up to you how you waste your time and money. I'm staying here to read: life's too short.”

“Thank you for sending me a copy of your book. I'll waste no time reading 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.”

“You're headed for disaster cos you never read the signs Too much love will kill you every time”