Luke 12:35 (ESV) – 35 “Stay dressed for action and keep your lamps burning,

Matthew 25:4 (ESV) – 4 but the wise took flasks of oil with their lamps.

Zechariah 4:6 (AMP) – 6 Then he said to me, “This [continuous supply of oil] is the word of the Lord to Zerubbabel [prince of Judah], saying, ‘Not by might, nor by power, but by My Spirit [of whom the oil is a symbol],’ says the Lord of hosts.