"It's not white vs. Black, Black vs. Asian, white vs. Mexican," Barnes said. "It's love vs. hate because again, hate comes in all shapes, forms and colors."
"We fought, we rioted, we burned things down and that's got a little bit of attention. But, now that they're actually listening, what are we gonna do with our minds to help better, not only us but our kids' future."
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Derek Chauvin -- the Minneapolis cop who kept his knee on Floyd's neck during the incident -- was just sentenced to 22.5 years in prison ... but as Jackson said last week, it won't bring his friend back.
Stak also gives Barnes his flowers during the powerful moment ... saying the ex-NBAer continues to help him fight for Floyd -- with or without the cameras around.
"That's why I love Matt so much because those people are nowhere around now. I'm still doing the work."