不要
While you invent， don't select. While you sketch， don't inspect. While you write the first draft， don't reflect.
Don‘t purchase extra insurance if you are renting a car with a credit card.
Habit is far more dependable than inspiration. Make progress by making habits. Don‘t focus on getting into shape. Focus on becoming the kind of person who never misses a workout.
Don‘t wait in line to eat something famous. It is rarely worth the wait.
Keep all your things visible in a hotel room， not in drawers， and all gathered into one spot. That way you’ll never leave anything behind. If you need to have something like a charger off to the side， place a couple of other large items next to it， because you are less likely to leave 3 items behind than just one.
Never ask a woman if she is pregnant. Let her tell you if she is.
Productivity is often a distraction. Don’t aim for better ways to get through your tasks as quickly as possible， rather aim for better tasks that you never want to stop doing.