Apple CEO Tim Cook on Thursday published an open letter via the tech giant’s website decrying the state of race relations in the United States and said the issue must be addressed.

“While our laws have changed, the reality is that their protections are still not universally applied. We’ve seen progress since the America I grew up in, but it is similarly true that communities of color continue to endure discrimination and trauma,” Cook wrote.

“I have heard from so many that you feel afraid — afraid in your communities, afraid in your daily lives, and, most cruelly of all, afraid in your own skin. We can have no society worth celebrating unless we can guarantee freedom from fear for every person who gives this country their love, labor, and life.

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“At Apple, our mission has been and always will be to create technology that empowers people to change the world for the better. We’ve always drawn strength from diversity, welcomed people from every walk of life to our stores around the world, and strived to build an Apple that is inclusive of everyone.

“But we must do more. We commit to continuing our work to bring critical resources and technology to underserved school systems. We commit to continuing to fight the forces of environmental injustice — like climate change — which disproportionately harm Black communities and other communities of color. We commit to looking inward and pushing progress forward on inclusion and diversity, so that every great idea can be heard. And we’re donating to organizations including the Equal Justice Initiative, which challenge racial injustice and mass incarceration.”

Read the full letter online.