Answer: Every science uses its specific language. Just as a musician cannot get along without the Italian language and a doctor without Latin, the Kabbalist cannot get along without Hebrew. Therefore, we must learn the Kabbalistic terms in Hebrew.
The wisdom of Kabbalah is a very ancient science. It originated 5,776 years ago, and it uses an ancient arsenal of words and expressions from Hebrew and Aramaic, two languages that are complementary to each other like mirror images.
In Kabbalah, there are few terms we must master—only a few dozen. They are repeated constantly and very rapidly become familiar and understood by a person who studies Kabbalah.