What is true about sales of music over the last year

There is nothing so admirable as a man whose sacrifices his life and happiness for others. 

事實(shí)勝于雄辯。

Which of the following is the author"s suggestion

An idle youth, a needy age.

The doctor will get more practice out of me than out of ten ordinary patients.

The wound soldier made an effort to stand up, but the general stopped him.

所有的公共場所都應(yīng)完全禁止吸煙。

No one should blind himself （） the well-known fact.