MISSY: No, you were trying to hit it with a hammer. I, on the other hand, removed the spark plug, drained the fuel line, and separated the cylinder head. It’s called decompression.
Mary appears in the doorway, sees the mess, and clutches her cross necklace.
MARY: Lord, give me strength. And a clean garage. young sheldon s04e17 1080p
Sheldon considers this. Then:
MARY: (stands) Jeff, can you give us a minute? MISSY: No, you were trying to hit it with a hammer
MARY: (sighs) Lord, I need a bigger garage.
Georgie looks from Missy to the engine to Sheldon. His jaw tightens. Mary appears in the doorway, sees the mess,
SHELDON: (flat) I don’t. One is a falsifiable theory supported by cosmic microwave background radiation. The other is a poem about a talking snake. They serve different purposes, like a torque wrench and a bedtime story.