Gharib
I want Khilafah back
No, actually. Facts and theories address two different issues, a theory often explains the observed fact. So, a theory can actually be a fact, and in this case it's so. Change over time is a fact, and thats all evolution is about. I've noticed theory being thrown around on this site a lot. Theory is the highest scientific achievement. Gravity is a theory, but no one doubts gravity, gravity is an observed fact, but also a theory.
theory is learning about something even though it may not be possible to do.
fact is doing something possible then making the theory to adress those who werent present.