“two can keep a secret if one of them is dead.”
“Only two can keep a secret if one of them is dead.”
“Three may keep a secret, if two of them are dead.”
“One person can keep a secret, but not two.”
“There are two kinds of secrets. The ones we keep from others and the ones we keep from ourselves.”
“You can keep it a secret.... But secrets have their own weight, and it can be a very heavy one.”