Who said "We must be the change we wish to see in the world."?

This quote is attributed to Malala Yousafzai.

We must be the change we wish to see in the world. - Malala Yousafzai

"We must be the change we wish to see in the world."

Malala Yousafzai

Education Activist, Nobel Laureate Pakistani Born 1997 (age 29)

"We realize the importance of our voices only when we are silenced."

"I raise up my voice—not to shout but so that those without a voice can be heard."

"One child, one teacher, one book, one pen can change the world."

"We cannot all succeed when half of us are held back."