The astronauts put their lives at risk to help other people. There's a strength of belief in a person like that that we should study and understand. Here are very intelligent people with remarkable achievements who are willing to put their lives at risk because they realize they have a special talent to advance human knowledge in their area.
When people endure a traumatic event, they are either defeated or made stronger. On Sept. 11, I told New Yorkers, 'I want you to emerge stronger from this.' My words were partially a hope and partially an observation that people in New York City handle big things better than little things. I could not be more proud of the way my city responded.
There are terrible, terrible memories of September 11th, things that I saw, people that I lost, the devastation, the identification of bodies. I mean, all these memories come back to you at different times. And then the other side of it this tremendous response with the firefighters and the police officers saving people, the rescue workers.
We need to know who's in the United States. We need to know everyone who's in the United States that comes in here from a foreign country. And we have to separate the ones who are dangerous from the ones who aren't. To accomplish that, we need a fence. We need a technological fence. We need a border patrol.