Simplicity is a matter of taste

God abhors a naked singularity.

I don't have much positive to say about motor neuron disease, but it taught me not to pity myself because others were worse off, and to get on with what I still could do. I'm happier now than before I developed the condition.

We are only the temporary custodians of the particles which we are made of. They will go on to lead a future existence in the enormous universe that made them

We think we have solved the mystery of creation. Maybe we should patent the universe and charge everyone royalties for their existence.

A model is a good model if first it interprets a wide range of observations in terms of a simple and elegant model, and second if the model makes definite predictions that can be tested, and possibly falsified, by observation.

I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first. I regard the brain as a computer which will stop working when its components fail. There is no heaven or afterlife for broken down computers; that is a fairy story for people afraid of the dark.