"Think plenty into everything, for there is power in the word." A very good reason to think before you say anything critical. Nothing good comes from tearing others down.
Don't sleep too much. Enjoy being alive and productive. There is plenty of time to be dead and definately sleep forever. 2. Sometimes, nobody really cares if you are miserable so you might as well be happy. 3. If you can't solve it, it's not a problem-it's reality. 4. Happiness is like a perfume. 5. If all good things come to an end, all bad things eventually end too.