We know Saadia Gaon was aware of mysticism. He wrote a commentary on Sefer Yezira. But did not think of it as authoritative. He did not borrow or use any idea from there when it came to understanding spiritual issues in his Emunot VeDeot.
Not did Ibn Pakuda [Author of the Obligations of the Hearts] nor the Rambam think of mysticism as a source or reliable knowledge, nor a part of the commandment of learning Torah. When both of them expand the definition of learning Torah to include Physics and Metaphysics they do not include mysticism.
When the Rambam refers to Metaphysics he says quite openly in the Intro to the Guide that he is referring to this subject as written down by the ancient Greeks. [Same with the Obligations of the Hearts on the first page of his introduction. And see later in Shar Ha'Behina 3.]
[I find great insights in the works of mystics like Rav Avraham Abulafia of the Middle Ages, but I do not consider that to be a part of the written or oral law. Those are his personal revelations. Similarly to Rav Nahman of Breslov. In fact, if someone would be claiming that their personal insights come from Moses at Sinai, that would be a problem. An example would be the Zohar. Insightful, but presented as being a part of the oral tradition. There is a kind of dishonesty in that.]
[Isaac of Acco met the author who exclaimed, may God strike him dead if he does not have a original copy in his house,-- and he would show him. But before Isaac got to his house, the author in fact died. [How inconvenient.] His wife swore there was no such original. (She said he sat there with nothing in front of him, and wrote it from his head.) But to me, the sure give away is "עם כל דא" a way of saying "although" invented by the Ibn Tibon family. I just can not force myself to read what is obviously a forgery, no matter how inspiring it might be.]
[Just for the record, I did learn a lot of the Ari/Rav Isaac Luria however I understand him as being like Rav Nahman in that he is just saying over his personal revelations, and not claiming that they are from Sinai. I never saw anything in the Ari that was claiming that these were oral traditions going back in time. ]
Not did Ibn Pakuda [Author of the Obligations of the Hearts] nor the Rambam think of mysticism as a source or reliable knowledge, nor a part of the commandment of learning Torah. When both of them expand the definition of learning Torah to include Physics and Metaphysics they do not include mysticism.
When the Rambam refers to Metaphysics he says quite openly in the Intro to the Guide that he is referring to this subject as written down by the ancient Greeks. [Same with the Obligations of the Hearts on the first page of his introduction. And see later in Shar Ha'Behina 3.]
[I find great insights in the works of mystics like Rav Avraham Abulafia of the Middle Ages, but I do not consider that to be a part of the written or oral law. Those are his personal revelations. Similarly to Rav Nahman of Breslov. In fact, if someone would be claiming that their personal insights come from Moses at Sinai, that would be a problem. An example would be the Zohar. Insightful, but presented as being a part of the oral tradition. There is a kind of dishonesty in that.]
[Isaac of Acco met the author who exclaimed, may God strike him dead if he does not have a original copy in his house,-- and he would show him. But before Isaac got to his house, the author in fact died. [How inconvenient.] His wife swore there was no such original. (She said he sat there with nothing in front of him, and wrote it from his head.) But to me, the sure give away is "עם כל דא" a way of saying "although" invented by the Ibn Tibon family. I just can not force myself to read what is obviously a forgery, no matter how inspiring it might be.]
[Just for the record, I did learn a lot of the Ari/Rav Isaac Luria however I understand him as being like Rav Nahman in that he is just saying over his personal revelations, and not claiming that they are from Sinai. I never saw anything in the Ari that was claiming that these were oral traditions going back in time. ]