Which Language you like the most other than your mother tongue?

Hello Guys,

We all speak our mother tongue fairly enough and we have a emotional attachment towards it. We can say our mother tongue is our pride. But that didn't stop us to like other languages. I myself like English and Hindi because English help me to gain vast amount of knowledge and make me to be friend with people all over the world, On the other hand I love Hindi I feel that Hindi can express human emotions very well. It's one of the language that express human emotions beautifully . So guys tell me about you most favorite Languages.