Birkot HaTorah
Birkot HaTorah (, The blessings of the Torah) are blessings in Jewish law concerning the giving of the Torah from God to Israel and to study of Torah. According to Jewish law, the blessings are obligatory to bless before Torah study, and it is customary to bless them every morning prior to any Torah study that will be taught that day. The order of the blessings. The system of Torah blessings is structured as a series of three sections: The importance of Birkot HaTorah. In the Talmud it is written that one of the reasons for the destruction of  the Land of Israel is to know a Rav, the one who studied Torah without first blessing the Birkot HaTorah. Rabbi's explanation is an interpretation of the verse in the book of Jeremiah which describes God answering the question why the Land of Israel was destroyed:"Who is the ish hechacham (wise man), that may understand this? And who is he to whom the mouth of Hashem hath spoken, that he may declare it, for what HaAretz perisheth and is scorched like a midbar, that none passeth through?" From the simplicity of the Bible it appears that the destruction of  the land was due to the departure of the Torah, but Rav requires the duplication of the language "they left my Torah" and "did not follow it", meaning that they did not bless before studying Torah. Is thought considered speech?? In Berakhot (tractate) Amoraim were divided as to whether contemplation (thought) was considered speech or not. According to Rav Chisda thought is not considered speech, and the evidence for this is that an unclean person is not allowed to say holy things, and he should thought on the words of the food blessing in his mind. Hence a thought is  not considered speech and he must ponder it so that he will not be idle from sacred words while the others are engaged in the blessings of praise. According to Rabina thought is considered speech, and therefore the mishnah commands such a person to ponder in his mind the words of the blessing of food, hence the thought is also considered speech, except that this mitzvah that the body be pure when speaking sacred, Which was in the Mount Sinai where it is the obligatory source to purify before the words of holiness, and since there was talk of holiness , the duty to maintain a pure body is only when speaking of holiness really and not in contemplation.