Do not underestimate me, boy
Look closer and you'll find
That if you peel back the polite
There might be something fierce inside
—Marian Call, "Dear Mister Darcy"
"Shit's gonna go down when Fluttershy's voice goes above three decibels."
People who make no noise are dangerous.
—Jean de La Fontaine quote
"Watch out for the quiet ones."
"Don't ever mistake my silence for ignorance, my calmness for acceptance, or my kindness for weakness."
— Popular internet saying