“In matters of grave importance, style, not sincerity, is the vital thing.”

“I've now realised for the first time in my life the vital Importance of Being Earnest.”

“A little sincerity is a dangerous thing, and a great deal of it is absolutely fatal.”

“You should treat the trivial things in life seriously and the serious things in life with a sincere and studied triviality”

“We should treat all the trivial things of life seriously, and all the serious things of life with sincere and studied triviality.”

“Some things are too important to be taken seriously.”

“Sincerity is the last refuge of the shallow.”