阅读下面的文言语段，完成题目。 
         孙叔敖^①为婴儿之时，出游，见两头蛇，杀而埋之。归而泣，其母问其故，叔敖对曰：“闻见两头之蛇者死。向者吾见之，恐去母而死也。”其母曰：“蛇今安在？” 曰：“恐他人又见，杀而埋之矣。”其母曰：“吾闻有阴德者天报以福^②，汝不死也。”及长，为楚令尹，未治而国人信其仁^③也。                                                                                                                                                                  (选自《新序杂事一》)
【注】①孙叔敖：春秋时楚国人。楚庄王时为楚令尹。②有阴德者天报以福：积有阴德的人，上天就会降福于他。③仁：仁慈。

    The ability to forgive others is a great thing that can certainly help to make life happier for everyone. However, some people think that it is very 1 to do, and they don't know how to forgive others, especially their family and friends. This is all 2 they don't understand the meaning of “forgiveness”.

    In the dictionary, “to forgive” means “to 3 feeling angry with somebody that has done something bad to you.” I'm happy that many people have 4 in doing this. I have succeeded, too, and I know how hard it is.

    I lived with a friend for two years. During that time, he did cause me many 5. I easily got angry when communicating with him. However, we 6 had a talk about our problems. When he pointed out that I wasn't treating him like a friend, I was 7. I never knew that I also needed to be forgiven for doing something wrong. I thought however 8 I might get, I did love my friend deep in my heart. Then I understood the saying, “To love is to forgive.” And when we 9 each other, we feel great. After that long talk, we both 10 those bad moments. Our friendship became fresh again.

    Now I understand the meaning of forgiveness better.

成为研究中亚、印度半岛以及我国新疆地区历史和佛学的重要典籍的是(   )