It explains extremely well the world around us, but it cannot explain the way most of the Universe behaves.

BBC: LHC upgrade to open up 'new realm of particle physics'

It is an interesting phenomenon but we cannot explain it.

BBC: Flu rate 'at record low'

"Of course, the tragedy for Cambodian people, I cannot explain it all, but I would like to show it through the opera, " he said.

CNN: Cambodia's first rock opera hopes its stage will be a bridge