Know or listen to those who know.
If you can dream it, you can do it.
The most effective way to do it, is to do it.
Never complain and never explain.
Either you run the day or the day runs you.
Things do not happen. Things are made to happen.
Be thine own palace, or the world's thy jail.
Without hard work, nothing grows but weeds.
Always desire to learn something useful.
Expect problems and eat them for breakfast.
Diversity in the world is a basic characteristic of human society, and also the key condition for a lively and dynamic world as we see today.