Who said "To endure is the first thing a child ought to learn."?

This quote is attributed to Jean-Jacques Rousseau.

To endure is the first thing a child ought to learn. - Jean-Jacques Rousseau

"To endure is the first thing a child ought to learn."

Jean-Jacques Rousseau Strength

Philosopher Writer French 1712–1778

"Man is born free, and everywhere he is in chains."

"The worst is the fear of the worst."

"True happiness consists in goodwill."

"Patience is bitter, but its fruit is sweet."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."