Nigeria is one of the best-kept secrets.
Secrecy breeds incompetence because where there is failure, failure is kept secret.
Whoever wishes to keep a secret must hide the fact that he possesses one.
A secret's worth depends on the people from whom it must be kept.
The cross is a precious treasure to be kept secret, lest we be robbed of it.
If you want to keep a secret, you must also hide it from yourself.
I agree that there are things that should be kept secret.
Time is the best kept secret of the rich.
All registers which, it is acknowledged, ought to be kept secret, ought certainly never to exist.
To keep your secret is wisdom; but to expect others to keep it is folly.