Ambition is the secret of man’s success.
It is an open secret.
What is the secret of success?
This is an open secret.
He disclosed the secret to me.
There is a secret passage in this hall.
I told her the secret of my success.
This secret is between you and me.
Your secret is safe with me
I told my best friend a secret.
It is a secret between him and me.
Please tell me the secret of your success.
What is the secret of your success?
The secret is out.
I enquired of him the secret of happiness.
It is an open secret that he is leaving the school.
Somehow they got wind of our secret plan.
He cast secret glances at her.
This is my secret getaway,
I will tell you a secret about that.
This time I am on a secret mission.
The foremost secret of happiness is positive thinking.