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Nicolaus Copernicus, from [Polish] Prussia, was a great man, who was more proficient in the field of astronomy than all the wise men of his age. Indeed, all the wise men of our time unanimously attest…
On the preservation of one’s health when going to sleep and upon awakening. Our master, of blessed memory, wrote the following in laws 4 and 5 [Maimonides, Mishneh Torah, Sefer ha-mada, hilkhot de‘ot…
“I am the Lord your God” [the first of the 10 commandments, namely, to believe in God] precedes [the second commandment] “You shall have no other Gods,” for through complete contemplation of “I am the…
In my opinion, one cannot understand the development of the Science of Judaism except by taking note of the profound contradictions or, if you will, the unique dialectical tensions present within it…
Indeed, what is necessary is precisely to “cast away the mind,” because it is necessary to cast aside all rational processes and serve God simply. This is because a person’s deeds should outweigh his…
This illustration of the (Aristotelian) cosmos appears in an eighteenth-century manuscript of Neḥmad ve-na‘im (Nice and Pleasant), David Ganz’s posthumously published book on astronomy.
This foldout calendar is a beautifully illuminated feature that appears in a sefer ‘evronot. Works of this genre were Jewish calendar handbooks for calculating the dates of religious holidays and…
The study program of a Torah scholar should follow roughly this order: the Bible, as mentioned above, and the entirety of the Mishnah, as stated above. He should even complete the Orders of the…
These are the conditions for a proper wife so that she will be cherished by her husband, so that he will not come to set his…
There are a few Torah scholars who are rich in knowledge and whose mental grasp is abundant, while others do not possess an intellectual grasp akin to theirs, for everyone possesses mental grasp in…