1. It's hard to be a talented person, but never a great man.

2. As long as you can bear hardships, loess becomes gold.

3. Exercise yourself from an early age to be strong, hard-working and don't be coy. Go far and climb high in nature. -Enrico Fermi

4. Happiness lies not in external reasons, but in our attitude towards external reasons. A person who is used to hard work cannot be unfortunate. -lev tolstoy