Elie Wiesel was a 15-year-old boy during the Holocaust. His humanity shines as he bears witness to the tragedy that happens to the Jewish race at the Nazis' hands. Wiesel was a Jew whose home town of Sighet was occupied by the Hungarians during the second world war. He told his story about how he has been treated brutally by the hands of the Nazis. Speaking the truth, which shaken him emotionally, means everything to him. Night novel is a whole experience of Elie Wiesel in which minor details are also being written. The traumatic experience of Elie can shake the soul of anybody.
Annan is also held responsible for telling the truth. He spoke about genocide over passively. In his book Interventions: A Life in War and Peace, Annan argued that the United Nations Department of Peacekeeping Operations could have made better use of the media to raise awareness of Rwanda's violence and put pressure on governments to provide the armed force which is necessary for an intrusion. He never compromised when there is time to speak the truth and taking responsibility.
Chesterton explains how Thomas Aquinas was way ahead of his time in understanding what it means to be human and had a developed a great sense for ontology. He would argue that there are many of his own contemporaries that think and develop their ideas just like Aquinas did. You can use this as a starting point and develop your essay.