"Discretion in speech is more than eloquence."
- Sir Francis Bacon
"A sound discretion is not so much indicated by never making a mistake as by never repeating it."
- Christian Nestell Bovee
"Great ability without discretion comes almost invariably to a tragic end."
- Leon Gambetta
"Let your own discretion be your tutor suit the action to the word the word to the action."
- William Shakespeare
"The better part of valour is discretion."