Asked for words of wisdom to mark his birthday, he said he’s confident human beings will colonize space, and that neutrinos will not undo Einstein’s work by proving to move faster than light.
MORE: http://abcnews.go.com/blogs/technology/2012/01/stephen-hawking-turns-70/
See also...
Hawking on the future of mankind
http://news.bbc.co.uk/today/hi/today/newsid_9672000/9672233.stm