History is full of people who thought they were right -- absolutely right, completely right, without a shadow of a doubt. And because history never seems like history when you are living through it, it is tempting for us to think the same.
John D. BarrowThere are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that habitable time interval in cosmic history.
John D. BarrowWhen we try to observe things that are very small, the act of observation itself will significantly disturb the state we are seeking to measure.
John D. BarrowApparently, a great deal of dark, unseen material exists, whose gravitational pull is responsible for the motions of the stars and galaxies that we see.
John D. BarrowIf all the stars and galaxies in the universe today were smoothed out into a uniform sea of atoms, there would only be about one atom in every cubic meter of space.
John D. BarrowOne would normally define a "religion" as a system of ideas that contain statements that cannot be logically or observationally demonstrated... Gรถdels theorem not only demonstrates that meathematics is a religion, but shows that mathematics is the only religion that proves itself to be one!
John D. Barrow