The gravitational constant, if it were off by one part in a hundred million million, then the expansion of the universe after the Big Bang would not have occurred in the fashion that was necessary for life to occur. When you look at that evidence, it is very difficult to adopt the view that this was just chance.

In childhood our credulity serves us well. It helps us to pack, with extraordinary rapidity, our skulls full of the wisdom of our parents and our ancestors. But if we don't grow out of it in the fullness of time, our ... nature makes us a sitting target for astrologers, mediums, gurus, evangelists, and quacks. We need to replace the automatic credulity of childhood with the constructive skepticism of adult science.

The word 'mundane' has come to mean 'boring' and 'dull', and it really shouldn't - it should mean the opposite. Because it comes from the latin mundus, meaning 'the world'. And the world is anything but dull: The world is wonderful. There's real poetry in the real world. Science is the poetry of reality.

Discrimination is not liberal. Arguing against discrimination is not intolerance.

This person should have been aborted years ago.

Secularism is categorically not saying that the religious may not speak out publicly or have a say in public life. It is about saying that religion alone should not confer a privileged say in public life, or greater influence on it. It really is as simple as that.

You could give Aristotle a tutorial. And you could thrill him to the core of his being. Aristotle was an encyclopedic polymath, an all time intellect. Yet not only can you know more than him about the world, you also can have a deeper understanding of how everything works. Such is the privilege of living after Newton, Darwin, Einstein, Planck, Watson, Crick and their colleagues.