Radar,
I appreciate your bringing this observation up since it bears logic:
Scientist have found that the material universe is expanding away from us(Earth)
This we know from(wavelengths given off objects like stars.)
Logicly therfore, if we go back in time, there must be a point of origin from which matter began to expand from, a starting point.
A singularity.
But to be honest there are other conclusions that also can be made on the above observations.
If someone lived a trillion X longer than you, and had a billion X more reasoning ability would he come to the same conclusions as you?