Aish tamid (Hebrew: אֵשׁ תָּמִיד, literally "continuous fire" or "perpetual fire") is a term from Jewish religious tradition referring to the eternal flame that was commanded to burn perpetually upon the altar in the Tabernacle and later in the Temple in Jerusalem. The concept is derived from the biblical book of Leviticus, which instructs that a fire should be kept burning on the altar at all times and never be allowed to go out.
Biblical Origin
The primary scriptural basis for the aish tamid is found in Leviticus 6:5–6 (also numbered 6:12–13 in some translations), which states: "The fire on the altar shall be kept burning, not to go out: every morning the priest shall feed wood to it, lay out the burnt offering on it, and turn into smoke the fat parts of the offerings of well-being. A perpetual fire shall be kept burning on the altar, not to go out."
According to Jewish tradition, the fire was originally kindled miraculously at the altar's inauguration, when fire came out from before God and consumed the burnt offering (Leviticus 9:24). The priests were thereafter responsible for maintaining this fire continuously, adding wood each morning and ensuring it never went out.
Distinction from the Ner Tamid
The aish tamid is frequently distinguished from the ner tamid (Hebrew: נֵר תָּמִיד, "eternal light" or "regular lamp"). The ner tamid refers to the lamp that was kept burning before the Holy Ark, often associated with the menorah. While the aish tamid was a pyre on the exterior copper altar used for animal offerings, the ner tamid was a light source within the sanctuary. In modern synagogues, the ner tamid is the perpetually lit lamp placed before the ark, which is a different institution from the biblical aish tamid.
Rabbinic Interpretation
Classical Jewish commentators have offered various interpretations of the aish tamid. Rashi (11th century) noted that extinguishing the altar fire transgresses two commandments—both the positive command to keep the fire burning and the negative command not to let it go out. Abraham Ibn Ezra (12th century) offered a different explanation of the scriptural repetition.
In Chassidic and Kabbalistic thought, the aish tamid has been interpreted symbolically. The altar is understood to represent the human heart, and the perpetual fire symbolizes an enduring spiritual enthusiasm or devotion to God. Commentators such as the Sefat Emet (Yehudah Aryeh Leib Alter, 1847–1905) and Rabbi Schneur Zalman of Liadi taught that the commandment reflects the need for a constant, inner spiritual fervor.
Historical Notes
Some sources note that the aish tamid eventually went out after a period of time, and the fire was not maintained continuously throughout all periods of the Temple's history. The destruction of the Second Temple in 70 CE brought an end to the physical altar and its perpetual fire.
Modern Practice
In modern Jewish practice, the aish tamid is symbolically kept alive through daily prayer and the study of Torah. The concept continues to be referenced in Jewish liturgy, commentary, and homiletical literature as a metaphor for enduring faith and devotion.
