A Tzaddik's life is replete with love and fear of G-d. The soul of the Tzaddik continues to nourish those of his disciples after his life even more than during his lifetime.

This is a letter of condolence to the Chassidim of Reb Mendel of Vitebsk

Illuminating a puzzling statement of the Zohar regarding the revealed/outer dimension of Torah being termed "The Tree of Good and Evil" versus the esoteric/inner dimension being termed "The Tree of Life"

How can we say that a part of Torah, namely, the laws, is on the level of the Tree of Knowledge

The Alter Rebbe admonishes those who engage in idle talk (not words of Torah) before or after prayer

SImilarly, one who desecrates the name of Hashem in public, in which Hashem's name is humiliated, the humilitation is so much greater.

If one is studying alone, the light that is coming down is finite and within his abilites, however, when one studies Torah among a multitude, the light is far greater and limitless.

Should one ask the Rebbe advice about materialistic things.?

If one pledged the money for tzedaka, it is suggested to divide the payments into monthly payments, both gaining the benefit of swiftness in doing a Mitzvah, and the continuous act, which creates a refinement of the soul.

On every level of creation, you have the transcendent light of G-d that is equal, and the beam of light that radiates within, comes forth within letters, allowing for finite and diverse creation. This is how the infinite creates finite diversity.