From infancy on we are all spies; the shame is not this but that the secrets to be discovered are so paltry and few.
Let thy discontents be thy secrets; if the world knows them ’twill despise thee and increase them.
We dance around in a ring and suppose, But the Secret sits in the middle and knows.
The three things most difficult are: to keep a secret, to forget an injury, and to make good use of leisure.
We trust our secrets to our friends, but they escape from us in love.
Three may keep a secret if two of them are dead.
How can we expect another to keep our secret if we cannot keep it ourselves.
Thy secret is thy prisoner if thou keepest it; thou art its prisoner if thou divulgest it.
The secrets of this earth are not for all men to see, but only for those who will seek them.
Secret thoughts and open countenance will go safely over the whole world.