The Rebbe on the Holocaust

 https://www.chabad.org/library/article_cdo/aid/64888/jewish/The-Rebbe-on-the-Holocaust.htm

But the most important thing about the Holocaust to the Rebbe was not how we do or do not understand it, nor, even, how we memorialize its victims, but what we do about it. If we allow the pain and despair to dishearten us from raising a new generation of Jews with a strong commitment to their Jewishness, then Hilter's "final solution" will be realized, G‑d forbid. But if we rebuild, if we raise a generation proud of and committed to their Jewishness, we will have triumphed.