Habit is habit, and not to be flung out of the window by any man, but coaxed down-stairs one step at a time.

Quitting smoking is easy, I've done it hundreds of times.

Make it a point to do something every day that you don't want to do. This is the golden rule for acquiring the habit of doing your duty without pain.

There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships and breaks up pleasant relations. It is a thorn that irritates and hurts; it is a sword that kills.

The successful person makes a habit of doing what the failing person doesn't like to do.

Smoking too much makes me nervous. Must lasso my natural tendency to acquire such habits. Holding heavy cigar constantly in my mouth has deformed my upper lip, it has a sort of Havana curl.