"The whole history of civilization is strewn with creeds and institutions which were invaluable at first, and deadly afterwards."
"Personally I had the opportunity to go on several ride alongs with the LA County Sheriff's Department with some amazing detectives, who were invaluable to me."
"I travel abroad constantly on book promotion and research, and the Internet is invaluable to me for accessing U.K. news in places such as America, which most of the time hasn't heard of England."
"There is nothing can pay one for that invaluable ignorance which is the companion of youth, those sanguine groundless hopes, and that lively vanity which makes all the happiness of life."
"I've been keeping a diary for thirty-three years and write in it every morning. Most of it's just whining, but every so often there'll be something I can use later: a joke, a description, a quote. It's an invaluable aid when it comes to winning arguments. 'That's not what you said on February 3, 1996,' I'll say to someone."
"Everything starts and ends with the song, and working with writers and really learning their process and craft was an invaluable experience."
"You may count on Mexico's support, since your commitment to the noblest causes of mankind and your vast experience are and will be invaluable in enabling us, together, to achieve a better world."