If you are smart, don't take that man as a friend, if he has a deep friendship with your enemy.
On many issues, my statement is quite different from my predecessors, but my knowledge is not only due to them, but also to those who pioneered this theory for the first time. Copernicus
5. One swallow does not make spring. -krylov
6. Helping others should start with small daily things, not because of small kindness.
7. Modernization needs the spirit of helping others.
People should be ready to help others. Although the lotus is good, it needs green leaves to support it. A fence hits three piles, and a hero needs three help. Mao Zedong