Who said "I must learn to be like stone—immovable and strong."?

This quote is attributed to Mulan.

I must learn to be like stone—immovable and strong. - Mulan

"I must learn to be like stone—immovable and strong."

Mulan Education

"I could have died for nothing."

"A single grain of rice can tip the scale."

"The greatest gift and honor is having you for a daughter."

"I'm sorry I could never be the bride you always wanted."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."