The Study of Torah Sustains the World More Than Sacrifice
A rabbinic ruling that Torah study outweighs the entire sacrificial system was originally a response to the Temple's destruction, and Kabbalah later reinterpreted it as an ongoing mechanism for maintaining the cosmos itself.
Mishnah Peah opens by listing several categories of deeds with no fixed measure, then adds that "the study of Torah is equal to them all" — a striking ranking that places study above the specific acts of kindness and ritual observance listed alongside it. This ranking took on new urgency after the Temple's destruction removed sacrifice as a live option, and the Talmud develops the idea that Torah study functions as sacrifice's replacement, sustaining the same cosmic order the sacrificial service had previously maintained. Kabbalistic literature intensifies the claim further: study, especially of the Torah's esoteric dimensions, is treated as directly nourishing the sefirotic structure and the ongoing flow of divine vitality into creation, making the study hall a kind of functional continuation of the Temple rather than a mere substitute activity for it. This is one reason Kabbalistic circles historically placed such weight on continuous, even nocturnal, Torah study — the practice was understood to be doing active cosmic maintenance work, not simply preserving textual knowledge.
and the study of Torah is equal to them all
Mishnah Peah