People change without telling each other.
People learn more from experience than books.
No student will immune to peer pressure.
Some people care too much.
Simple questions are the hardest to answer.
In order to see the rainbow, you must endure the rain.
Preparation is the secret of success.
Taking risks is an important part of learning.
The act of kindness, however small, is never worthless.
Any problem can be solved with a little more effort and a positive attitude.
Behind a funny joke, oftentimes there is a deep meaning.
When a joke is funny，it always include hidden truth.
When a joker is smiling, there is a deep meaning behind it.
It is better to know when to exit than when to enter.
Argument is the worst kind of conversation.
People dislike all things that are unfamiliar.
Being curious is more important than cleverness or talented.
It is better to find a remedy than to find it is a fault.
Actions speak louder than words.
Winning is not everything.
Look before you leap.
Haste makes waste.