1. Humor is a kind of moisturizing balm, which saves me a lot of friction and pain. - Lincoln's famous quote admired by US President Obama.

2. A neck without self-esteem cannot support a confident head; without a background, just run to the foreground. - Quotes from the 2006 College Entrance Examination essay that are widely circulated on the Internet.

3. Everyone has their emotions, and this is unavoidable. I now think we should do three things: the first is restraint; the second is humility; and the third is persistence.

4. Don’t wait for luck to come, but work hard to master knowledge.

5. The trick to learning a lot is not to learn a lot at once.

6. Only creation is true enjoyment, and only hard work is a fulfilling life.