Why don't we all just speak one language? Wouldn't it be easier?
Why are there so many languages? Wouldn't using one language make life easier?
How were different languages created across the world? Since we're all humans, shouldn't all languages be generally the same? Why is it so hard to learn a new language? Are all infinite languages uncomputable? Why? Why not? Why all programming languages are in english language? Why are humans capable of language? Language Learning: Is it enough to understand only English as foreign language nowadays? Why? Why are so many languages used on indian currency? Why is it necessary to prevent a language from going extinct? Is English harming other languages? Are some languages more complex than others? Why doesn't the English language have one word for the mind/heart complex where other languages will use one word interchangeably? (or does it) Why are all programming languages in English? Why are so many languages spoken in Switzerland? How many languages are spoken in the world? How were languages invented? It is not a good idea to learn two kinds of languages at the same time, isn't it? Why is it important to save endangered languages? How did English become the official language of so many countries? Why don't most Americans learn a second language? Which language do you think is the most difficult all over the world? Will any language dominate the world like English has today? If so, which language and why? Which is the most difficult language of the world and why? How many languages are there in world? Are all infinite languages uncomputable? How were languages invented and by whom? Why are there so many countries that have English as an official language? What countries are they? How hard is to learn new languages? Is it bad to learn two foreign languages at the same time?  Why didn't the ancient Greek language divide into several languages like Latin? Monolinguals, have you ever tried to learn another language but failed? Did you find it frustrating? Why shouldn't I study 2 languages at once?