If you want to keep a secret, you must also hide it from yourself.
What you don't know intrigues you more than what you do know.
A secret remains a secret until you make someone promise never to reveal it.

The secret of getting ahead is getting started.

If you reveal your secrets to the wind, you should not blame the wind for revealing them to the trees.
Nothing makes us so lonely as our secrets.
Your secrets are safe with me, because I probably wasn't even listening.
My mission in life is not merely to survive, but to thrive; and to do so with some passion, some compassion, some humor, and some style.
The only way to keep a secret is to never have one.
The secret of success is constancy to purpose.
The biggest secrets are always hidden in the most unlikely places.
The man who can keep a secret may be wise, but he is not half as wise as the man with no secrets to keep.

There is no greater agony than bearing an untold story inside you.
Two can keep a secret if one of them is dead.
The best way to keep a secret is to pretend there isn't one.
Two may talk together under the same roof for many years, yet never really meet; and two others at first speech are old friends.
A secret's worth depends on the people from whom it must be kept.

The secret of happiness is to find a congenial monotony.

Some secrets are meant to be kept... others are meant to be told. It's up to you to decide which ones.
Three may keep a secret, if two of them are dead.