In your thoughts, you need to be selective. Thoughts are powerful vehicles of attention. Only think positive thoughts about yourself and your endeavors, and think well of the endeavors of others. - Frederick Lenz

In your thoughts, you need to be selective. Thoughts are powerful vehicles of attention. Only think positive thoughts about yourself and your endeavors, and think well of the endeavors of others. - Frederick Lindemann, 1st Viscount Cherwell