Who said "Second chances define us more than first attempts."?

This quote is attributed to Albus Dumbledore.

Second chances define us more than first attempts. - Albus Dumbledore

"Second chances define us more than first attempts."

Albus Dumbledore

Character in Harry Potter and the Chamber of Secrets

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"It is our choices that show what we truly are, far more than our abilities."

"Fear of a name increases fear of the thing itself."

"It is our choices that show what we truly are, far more than our abilities."

"You will find that I will only truly have left this school when none here are loyal to me."