I discount suggestions that UFOs contain beings from outer space, as I think that any visits by aliens would be much more obvious - and probably also… - Stephen Hawking

one has a singularity contained within a region of space-time known as a black hole.

I believe that disabled people should concentrate on things that their handicap doesn’t prevent them from doing and not regret those they can’t do … I visited the Soviet Union seven times. The first time I went with a student party in which one member, a Baptist, wished to distribute Russian-language Bibles and asked us to smuggle them in. We managed this undetected, but by the time we were on our way out the authorities had discovered what we had done and detained us for a while. However, to charge us with smuggling Bibles would have caused an international incident and unfavorable publicity, so they let us go after a few hours.

If one is physically disabled, one cannot afford to be *psychologically* disabled as well.