"The last two hours have been the most nerve-wracking I've ever felt. I know God is here protecting me and all the soldiers, but I have my phone in my hand just hoping it will ring and it will be my husband." — Tayra DeHart, 33, after a soldier opened fire on fellow service members at the Fort Hood, Texas, military base, killing three people and wounding 16 before committing suicide.
"How much is it luck? How much is it science? How much is it preparedness? It is a combination of all of the above. I think what we just saw here is pure luck. Mostly, it is luck that the tsunami was not bigger and that it hit a fairly isolated area of Chile." — Costas Synolakis, an engineer who directs the Tsunami Research Center at the University of Southern California, after a magnitude-8.2 earthquake struck Chile with surprisingly little damage and death.
"This is one of the most demanding and challenging search and rescue operations, or search and recovery operations, that I have ever seen — and I think probably one of the most complex operations of this nature that the world has ever seen." — Angus Houston, the head of a joint agency coordinating the search for missing Malaysia Airlines Flight 370.