It's all in how you say it

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Without the English language, I wouldn't have been able to communicate that. I wouldn't be able to write out anything here either. The English language is the foundation of American culture and something, I believe, a lot of us take for granted. There is no foreseeable threat to our language, millions speak it, it's written for advertisements, literature, translated in our movies and music for other countries around the world, it is a very stable form of communication, however this isn't that case for a lot of languages in the world.
As it is our foundation, other cultures take pride in their language because it serves the same purpose, to communicate abstract ideas from person to person. Without language, stories and fables teaching morals and lessons could not be passed down from generation to generation. Also, art holds a different meaning when you cannot have the words to support something you have created. Even music has it's own language, a set sort of rules to abide by in order to create something beautiful. Without these languages, cultures start to lose their identity, and with that, people start to lose their identity.
It is important for people to hold on to their native language reguardless of where they immigrate to, however it is just as much their responsibility to learn communication skills of their new country. I use Spanish as an example. I believe that it is great that Mexican immigrants have held on to their native language while living in America, however, I feel like both English speaking Americans and Mexicans have the responsibility to learn the basics of the other's language in order to create a cohesive, comfortable environment and culture. I think the acceptance and understanding of the other languages and cultures surrounding you or that you interact with leads to peace and comfort as well as amazing creativity. I mean, japanese fusion food came from somewhere.
I find it saddening that so many smaller cultures are losing their language. However, I only find it upsetting that these cultures are literally disappearing because nobody practices the tradtions of the culture anymore, or that all the people have died out. However, I do feel that there is light at the end of the tunnel. One language will not only birth one culture. With dialects and regions comes new cultures. While these older languages have died out, new ones have been replaced and new cultures are born from the influences of the past and present. It is impossible to hold on to every piece of your old culture for the next generation. Your parents took pieces they have pride in and passed them onto you and you'll take pieces and pass them onto your children, but they won't nessicarily be the same because of experiences and what-not. And eventually, quite possibly a new language could be born from your great-great grandchildren learn. Take for example slang and internet lingo, your parents didn't teach you those things. They are things you learn and you will pass on. Times change and as they do culture develops and changes right along with it. While I find the extinction of these languages sad, I cannot help but think that with the addition of the new language, the dominant language, more diverse cultural identies will be born. But that's just one way to say it.