Joke Collection Website - Bulletin headlines - What are the slogans for learning from Lei Feng?

What are the slogans for learning from Lei Feng?

1.

A flower can't make a beautiful spring. An advanced person is always lonely, and every advanced person can move mountains and fill seas. -Lei Feng

2.

Take the difficulties of others as your own difficulties and the happiness of your comrades as your own happiness.

3.

I am willing to be a screw forever. -Lei Feng

4.

Who is the dance academy, who will accomplish nothing; He who can't dominate himself is always a slave. -Lei Feng