First of all ,Chinese is spoken by the largest number people in the world. She has a long history and is connected to a profound and resplendent culture. As we all know , China has a luscious culture deposited from the long history, especially with great achievements in poety. Only you learn the Chinese lanugage, you can touch the greatest beauty of Chinese culture.
Second, China is developing in a amazing rapid speed in economic field in recent years. She is playing a more and more important part in the world, so will its language. Masting the Chinese language would become more and more neccessary and popular in the future. It would do a lot of help for your social communication and your further development.
Third, although Chinese is probably a totally different for you, it is not so difficult to pick up as people say. Chinese has its own rhythms and there are also many routines involved. If you are interested in it, learn it by your heart. Maybe it would be easy at the beginning, but when you get through, you can make progress rapidly. Then you can taste the beauty and geatness of the language by yourself.