This quote means that the best way to restart is by beginning with something good. If you do good you will feel good about yourself so it will help you to restart easier. If you do this it will not only affect you but the people around you too in a positive way. If you do bad you will feel bad about yourself so it won't really help you to restart. Again it won't only affect you but the people around you too but in a negative way.
There are many examples of how the best recreation is good. For example, if you donate to a charity you will feel great about what you did. At the same time you are helping out someone in need so it is affecting them in a positive way. Another example would be you going out and smoking with some friends which doesn't make you feel good but you do it anyways. That later on leads you to becoming addicted and you don't end up accomplishing anything in life. That is basically what I understood from this quote.
