You can learn 100 basic words in sign language. You may meet someone in your journey that will benefit greatly from your having a basic knowledge of sign.Teach sign to your children and grands. This is actually an amazing site, very simple to learn.
11 Untranslatable Words From Other Cultures Infographic - I adore this. I believe language shapes thought just as much as thought shapes language. I always think of untranslatable words as a glimpse into the most subtly unique aspects of other cultures.