What does the quote from the book "Night" by Elie Wiesel mean?

From the book, "Night," by Elie Wiesel, what do these quotes mean?

• what do these quotes mean? analyze, please "He explained to me, with great emphasis, that every question possessed a power that was lost in the answer..." "We do not know the worth of one single drop of blood, one single tear." "Never shall i forget that night, the first night in camp, that turned my life into one long night seven times sealed. Never shall i forget that smoke. Never shall i forget the small faces of the children whose bodies i saw transformed into smoke under a silent sky. Never shall i forget those flames that consumed my faith forever. Never shall i forget the nocturnal silence that deprived me for all eternity of the desire to live. Never shall i forget those moments that murdered my God and my soul and turned my dreams to ashes. Never shall i forget those things, even were i codemned to live as long as God himself. Never" "Those who kept silent yesterday will remain silent tomorrow."

• Answer:

  To sum up Elie Wiesel is to assert that it is the moral responsibility of all people to fight hatred, racism and genocide.