A．They emphasize on the importance of success.
B．They tell people how to have a good mindset.
C．They teach people how to avoid pressure.
D．They present the key factors to happiness.
A．They teach them valuable lessons.
B．They are more important than the present.
C．They teach them to survive pains.
D．They are as interesting as journeys.
A．It is common in our daily life.
B．It is beneficial to help us become popular.
C．It is no good to our life goals.
D．It is necessary when dealing with difficulties.