SHELDON: Mother, toast is a chaotic system. Butter melts unevenly, the bread’s porosity varies, and gravity is a constant disappointment. My spheres are pure, deterministic elegance.
SHELDON: It’s possible a unicorn used the Big Bang. But without evidence, I might as well believe my Newton’s cradle is frictionless. Which it isn’t. Because the universe is cruel. young sheldon s04e17 1080p
SHELDON: You were holding a hammer upside down. SHELDON: Mother, toast is a chaotic system
MARY: No. But it’s the only thing that keeps a lawnmower engine from becoming a divorce. the bread’s porosity varies
Georgie looks from Missy to the engine to Sheldon. His jaw tightens.