I do not think there is any thrill that can go through the human heart like that felt by the inventor as he sees some creation of the brain unfolding to success... such emotions make a man forget food, sleep, friends, love, everything.
We will never forget the passengers of Flight 93, who courageously confronted the terrorists, defeating another planned attack on America. They are the heroes for our times.
I vividly remember the stories my grandfather told me about the carnage of the First World War, which people tend to forget was one of the worst massacres in human history.