Who said "I wonder if it's that they don't know we're human."?

This quote is attributed to Langston Hughes.

I wonder if it's that they don't know we're human. - Langston Hughes

"I wonder if it's that they don't know we're human."

Langston Hughes Justice

Poet Novelist American 1901–1967

"I've known rivers ancient as the world and older than the flow of human blood in human veins."

"Hold fast to dreams, for if dreams die, life is a broken-winged bird that cannot fly."

"Life for me ain't been no crystal stair."

"I am my mother's son. I wear the colors she gave me when I was born."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."