Revival of the Hebrew language well-recognized sources, chiefly the Tanakh (especially those portions used liturgically like the Torah, Haftarot, Megilot, and the Book of Psalms) and the Mishnah. Apart from these, Hebrew was known through hymns, prayers, midrashim, and the like. During the Middle Ages, Hebrew continued in use as a written language in Rabbinical literature, including in judgments of Halakha, Responsa, and books of meditation. In most cases, certainly in the base of Hebrew's revival, 18th- and 19th-century Europe, the use of Hebrew was not at all natural, but heavy in flowery language and quotations, non-grammatical forms, and mixing-in of other languages, especially Aramaic.
Hebrew language many saw his work as fanciful or even blasphemous (because Hebrew was the holy language of the Torah and therefore some thought that it should not be used to discuss everyday matters), many soon understood the need for a common language amongst Jews of the British Mandate who at the turn of the 20th century were arriving in large numbers from diverse countries and speaking different languages. A Committee of the Hebrew Language was established. After the establishment of Israel, it became the Academy of the Hebrew Language. The results of Ben-Yehuda's lexicographical work were published in a dictionary ("The