There may be things that are completely unknowable to us, so we must be careful not to treat the limits of our knowledge as sure guides to the limit of what there is.
The haven all memes depend on reaching is the human mind, but a human mind is itself an artifact created when memes restructure a human brain in order to make it a better habitat for memes.
What you can imagine depends on what you know. Philosophers who know only philosophy consign themselves to a janitorial role in the great enterprises of exploration that are illuminating the mysteries of our lives.
Now that mobile phones and the internet have altered the epistemic selective landscape in a revolutionary way, every religious organisation must scramble to evolve defences or become extinct.
You don’t get to advertise all the good that your religion does without first scrupulously subtracting all the harm it does and considering seriously the question of whether some other religion, or no religion at all, does better.
Thanks to technology, what almost anybody can do has been multiplied a thousandfold, and our moral understanding about what we ought to do hasn’t kept pace.
