04:38 PM - “I have met with but one or two persons in the course of my life who understood the art of Walking, that is, of taking walks...”

03:14 PM - On the day of the Boston Marathon bombings, President Obama stood in the White House briefing room and said, “We will find out who did this; we’ll find out why they did this.”

12:01 AM - You hear the race announcer calling out the names of finishers one second. The next — clearly audible — comes the blast, ripping through one side of the course, dropping a runner to the ground, killing at least three people, maiming so many more.