Who said "Hope is a frequency we all broadcast on."?

This quote is attributed to Madame Manec.

Hope is a frequency we all broadcast on. - Madame Manec

"Hope is a frequency we all broadcast on."

Madame Manec Hope

Character in All the Light We Cannot See

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"Kindness matters, even in small ways."

"We survive by helping one another."

"Faith sustains us when nothing else can."

"Sacrifice is the price of resistance."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."