Watch your thoughts, for they become words.

Watch your thoughts, for they become words. Watch your words, for they become actions. Watch your actions, for they become habits. Watch your habits, for they become character. Watch your character, for it becomes your destiny. - Anonymous 

 Further reading: Choose Your Habits, Choose Your Life - 5 Secrets For Breaking Your Bad Habits 

  9 Secrets for Getting Un-Stuck

Albert Einstein: Insanity is doing the same thing over and over again and expecting different results