Secret

"Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity."

"The big secret in life is that there is no big secret. Whatever your goal, you can get there if you're willing to work."

"The secret of happiness is to make others believe they are the cause of it."

"There's no secret about success. Did you ever know a successful man who didn't tell you about it?"

"The secret of success is sincerity. Once you can fake that you've got it made."

"To follow, without halt, one aim: There's the secret of success."