My mother's on Valium

Brenda Sparks: I'm gonna have a little chat with your mother.
Sheldon Cooper: Seems unlikely. My mother's on Vulcan.
Billy Sparks: My mother's on Valium.

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From: Young Sheldon

Young Sheldon quotes

For your information, Sheldon does not look down on women. He looks down on everyone.

Brenda Sparks: I'm gonna have a little chat with your mother.
Sheldon Cooper: Seems unlikely. My mother's on Vulcan.
Billy Sparks: My mother's on Valium.

See? You sound smart, but you're still dumb.