假设你是李华，在美国孔子学院的笔友Jack对汉字毛笔书法非常感兴趣，写信向你咨询学习毛笔书法的建议。请你用英语回信，内容包括：
1. 学习毛笔书法的必备工具;
2. 你认为学好毛笔书法的有效方式;
3. 学好毛笔书法的好处。
注意：
1. 词数100左右(开头和结尾已给出，不计入总词数);
2. 可以适当增加细节,以使行文连贯。
3. 参考词汇：书法 calligraphy 毛笔 writing brush 砚台 ink stone
Dear Jack,
亲爱的杰克，
I’m glad to know you’re interested in Chinese Calligraphy. It’s my pleasure to tell you how to learn Chinese calligraphy.
我很高兴知道你对中国书法感兴趣。我很高兴告诉你如何学习中国书法。
As we all know, the four treasures of the study are writing brush, ink, paper and ink stone, which are essential to learn Chinese calligraphy. As to the way to learn it, I think, for one thing, you may study the basic structure of each Chinese character step by step;for another, choosing a good model book to copy is of great benefit to you.
众所周知，文房四宝是笔墨纸砚，是学习中国书法必不可少的。至于学习的方法，我想，一方面，你可以一步一步地学习每个汉字的基本结构；另一方面，选择一本好的范本，对你很有好处。
Chinese calligraphy is a fine art of the excellent traditional cultures in China. Not only does it do good to health, but also it can cultivate morality and purify our souls.
中国书法是中国优秀传统文化的精品。它不仅有益于健康，而且可以陶冶道德，净化我们的灵魂。
Hoping you can come to China to enjoy it personally.
希望你能亲自来中国玩。
Yours,
你的，
Li Hua
李华