There ought to be something very distinctive about the theory that describes the Universe.

(E)ven if we find a unified theory, we may be able to make only statistical predictions.

This renormalization procedure has never been put on a very firm conceptual or mathematical basis.

[T]he Anthropic Principle … can be paraphrased as ‘Things are as they are because we are.

The universe is not expanding in space, but consists of expanding space.

It … now takes enormous machines and a great deal of money to perform an experiment whose results we cannot predict.

… a rather inaccessible journal.

Astronomical measurements are, without exception, measurements of phenomena occurring in a terrestrial observatory or station; it is only by theory that they are translated into knowledge of a universe outside.

… there is no doubt that his words express what is in our minds when we refer to determinism.