Many people find the universe confusing - it's not.

Science is beautiful when it makes simple explanations of phenomena or connections between different observations.

It matters that you don't just give up.

Time travel may be possible, but it is not practical.

I put a lot of effort into writing 'A Briefer History' at a time when I was critically ill with pneumonia because I think that it's important for scientists to explain their work, particularly in cosmology. This now answers many questions once asked of religion.

Success is a relative term. It brings so many relatives.

I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.