And the Lord said, "Let there be light."
And there was.

Give me oil for my lamp,
Keep it burning, burning, burning.
Give me oil for my lamp, I pray.
Give me oil for my lamp,
Keep it burning, burning....
Keep it burning till the break O'Day.

Reflect upon a world without whales ... and consider how petroleum and capitalism saved their entire population from extinction. (The smaller fish of the sea sing a different shanty similar to yours).