Authors:

Think you are weak, think you lack what it takes, think you will lose, think you are second class - think this way and you are doomed to mediocrity.

David J. Schwartz (2014). “The Magic of Thinking Big”, p.118, Penguin
Think you are weak, think you lack what it takes, think you will lose, think you are second class - think this way and you are doomed to mediocrity.