Is egotism a Torah prohibition?

No Mitzvah can rescue an adulterer; Anonymous charity in Kabbalah; Giving charity at night

Egotism is likened to idolatry, rejecting G-d, building a private altar, and engaging in every forbidden relationship in the Torah. Why?

The laws of Netilas Yadaim; The egotistical adulterer; Torah over the holy of holies

What awaits one who isn't careful about washing before eating bread.

Every Mitzvah and every sin that we do in this workd escorts us to the next world; How sin is "tied to him like a dog"

The unique role of women in building a spiritual home; The significance of "a worm nibbling at sesame"

Is the warning given to a Sotah a "spirit of purity" or "a spirit of impurity"? How involved should we be in the personal lives of our families? And what does our exile have to do with Sotah?

Elucidating the Talmudic dictum: "a person does not sin unless a spirit of folly enters him"

What is a Kabbalistic "second marriage"? And can you pray so hard that you end up marrying someone else's soulmate?