Languages like English, Spanish, and Chinese are healthy languages. They exist in spoken, written, and signed forms, and they're used by hundreds of millions of people all over the world. But most of the 6,000 or so of the world's languages aren't in such a healthy state.

Bilingualism lets you have your cake and eat it. The new language opens the doors to the best jobs in society; the old language allows you to keep your sense of 'who you are.' It preserves your identity. With two languages, you have the best of both worlds.

There's nothing unusual about a single language dying. But what's going on today is extraordinary when we compare the situation to what has happened in the past. We're seeing languages dying out on a massive scale.

David Crystal Quotes