“It is difficult for people of advanced years to start remembering they must die. It is best to form the habit while young.”

“Clearly, you could die while waiting for other people to start your life for you.”

“Remember, young man, experience is not the best teacher. Other people's experience is the best teacher. By reading about the lives of great people, you can unlock the secrets to what made them great.”

“People have an annoying habit of remembering things they shouldn't.”

“The moment this brilliant young producer Miss Verity Lambert started telling me about Doctor Who, I was hooked. I remember telling her, "This is going to run for five years."”

“In 200 years will people remember us as traitors or heros? That is the question we must ask.”

“No fiction is worth reading except for entertainment. If it entertains and is clean, it is good literature, or its kind. If it forms the habit of reading, in people who might not read otherwise, it is the best literature.”

“Cocaine isn't habit forming. I should know — I've been using it for years.”

“People won’t start dumping Google en masse; Google is a habit.”

“To tell the truth is very difficult, and young people are rarely capable of it.”