“Secrets in manufactures are capable of being longer kept than secrets in trade.”

“The entire being of a woman is a secret which should be kept.”

“With a secret like that, at some point the secret itself becomes irrelevant. The fact that you kept it does not.”

“I'm not very good at keeping secrets at all! If you want your secret kept do not tell me!”

“The secret to being wrong isn't to avoid being wrong! The secret is being willing to be wrong. The secret is realizing that wrong isn't fatal.”

“Nothing is more capable of troubling our reason, and consuming our health, than secret notions of jealousy in solitude.”

“I'd learned that some things are best kept secret.”

“A secret's worth depends on the people from whom it must be kept.”

“Secret: A private matter whispered abroad and never kept to oneself. By naming it a secret, we immediately indicate its presence. If we really wanted to keep secrets, we would not have a name for them.”

“Never trade a secret, you'll always get the short end of the bargain.”