Who said "In serving others, I serve myself."?

This quote is attributed to Mulan.

In serving others, I serve myself. - Mulan

"In serving others, I serve myself."

Mulan

"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."