Yet if there really were a complete unified theory, it would also presumably determine our actions—so the theory itself would determine the outcome of our search for it! And why should it determine that we come to the right conclusions from the evidence? Might it not equally well determine that we draw the wrong conclusion? Or no conclusion at all?

For centuries, it was believed that disabled people like me were living under a curse that was inflicted by God. I prefer to think that everything can be explained another way, by the laws of nature.

...it is surely better to strive for a complete understanding than to despair of the human mind.

So remember to look up at the stars and not down at your feet. Try to make sense of what you see and wonder about what makes the universe exist. Be curious. And however difficult life may seem, there is always something you can do and succeed at. It matters that you just don't give up. Unleash your imagination. Shape the future.

[Segunda ley de la termodinámica]. Según esta ley, el desorden o la entropía aumenta siempre con el tiempo. En otras palabras, se trata de una forma de la ley de Murphy: las cosas van a peor.

. . .a scientific theory is just a mathematical model we make to describe our observations: it exists only in our minds. So it is meaningless to ask: which is real, "real" or "imaginary" time? It is simply a matter of which is the more useful description.

Cosmology: Religion for intelligent atheists

There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.

Not only does God play dice, but... he sometimes throws them where they cannot be seen.