Who said "Justice may be slow, but it comes."?

This quote is attributed to Droopy.

Justice may be slow, but it comes. - Droopy

"Justice may be slow, but it comes."

Droopy Justice

"I'm so happy."

"Hello, I'm so glad to see you."

"That makes me so sad."

"I'm afraid I have some bad news."

"Justice must always prevail."

"You think I'm just some animal?"

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

"Justice is worth fighting for."