If you can cultivate wholesome mental states prior to sleep and allow them to continue right into sleep without getting distracted, then sleep itself becomes wholesome.
Although under particular circumstances, the violence method - any method - can be justified, nevertheless once you commit violence, then counterviolence will be returned.
The fact that there is always a positive side to life is the one thing that gives me a lot of happiness. This world is not perfect. There are problems. But things like happiness and unhappiness are relative. Realizing this gives you hope.
Human beings are of such nature that they should have not only material facilities but spiritual sustenance as well. Without spiritual sustenance, it is difficult to get and maintain peace of mind.