Who said "A rubber duck teaches more than you'd think."?

This quote is attributed to Bert.

A rubber duck teaches more than you'd think. - Bert

"A rubber duck teaches more than you'd think."

Bert Life

"Listen here - pigeons are a menace to society and I won't stand for it."

"A rubber duckie is not just a toy, it's a companion for life's journey."

"Ernie drives me absolutely bonkers, but that's what makes us family."

"Oatmeal is the breakfast of champions and the foundation of a good day."

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."