"Being miserable is a habit; being happy is a habit; and the choice is yours." -– Tom Hopkins  

"Good habits are hard to form and easy to live with.  Bad habits are easy to form and hard to live with.  Nothing is neutral.  Everything counts." -– Brian Tracy  

"Good habits are as addictive as bad habits, and a lot more rewarding." -- Harvey Mackay  

"Nothing needs reforming so much as other people's habits." -- Mark Twain

"When you do the wrong thing, knowing it is wrong, you do so because you haven't developed the habit of effectively controlling or neutralizing strong inner urges that tempt you, or because you have established the wrong habits and don't know how to eliminate them effectively." -– W. Clement Stone  

"The key to success is for you to make a habit throughout your life of doing the things you fear." -– Brian Tracy

"The secret to Momentum in life can be found in the word Momentum....you create it Moment by Moment..." -– Doug Firebaugh