Leviticus 24:2-4 Command the children of Israel, that they bring to you pure oil olive beaten for the light, to cause the lamps to burn continually.

AKJV⁽ⁱ⁾ ² Command the children of Israel, that they bring to you pure oil olive beaten for the light, to cause the lamps to burn continually. ³ Without the veil of the testimony, in the tabernacle of the congregation, shall Aaron order it from the evening to the morning before the LORD continually: it shall be a statute for ever in your generations. ⁴ He shall order the lamps on the pure candlestick before the LORD continually.