The Most Powerful of Habit
How strong is the power of habit? Each person has different ideas about what the answer is. But many successful men have similar habits. As the prominent Roman philosopher Marcus Tullius Cicero puts it, “The powerful is the force of habit.” In addition, The British economist John Maynard Keynes also says,“Habit forms character, and character decide fortune.” In other words，each person's fate is determined by habit. But at this point Duhigg would like to raise some possible objections; he points out that, “Habits aren’t destiny, habits can be ignored, changed, or replaced”(Duhigg 13).
In this book, The Power of Habit, Duhigg maintains that “Habits emerge because the brain is constantly looking for ways to save effort.