Exodus 27:20,21
And you shall command the children of Israel, that they bring you pure oil olive beaten for the light, to cause the lamp to burn always.
Nave's Topical Index—AKJV

2 Chronicles 13:11
And they burn to the LORD every morning and every evening burnt sacrifices and sweet incense: the show bread also set they in order on the pure table; and the candlestick of gold with the lamps thereof, to burn every evening: for we keep the charge of the LORD our God; but you have forsaken him.
Nave's Topical Index—AKJV

Leviticus 24:3,4
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.
Nave's Topical Index—AKJV