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.
Revival of the Hebrew language continued to expand, as more and more Hebrew educational institutions came about. The number of Hebrew kindergartens continued to grow. In 1905, Yehuda Leib and Fania Matman-Cohen, a couple of educators, began teaching the first high school classes in Hebrew in their apartment in Jaffa. Hebrew teachers recreated the Hebrew Language Committee, which began to determine uniform linguistic rules, as opposed to the disjointed ones which had arisen previously. The Council declared as its mission "to prepare the Hebrew language for use as a spoken language in all affairs of life," formulated rules of pronunciation and grammar, and offered new