Paul Dirac Quotes

In physics, all can you do is predict the consequences of physical laws.

The methods of theoretical physics should be applicable to all those branches of thought in which the essential features are expressible with numbers.

This book is about physics and its about physics and its relationship with mathematics and how they seem to be intimately related and to what extent can you explore this relationship and trust it.

The correct statement of the laws of physics involves some very unfamiliar ideas which require advanced mathematics for their description. Therefore, one needs a considerable amount of preparatory training even to learn what the words mean.

Physics is really figuring out how to discover new things that are counterintuitive, like quantum mechanics. It's really counterintuitive.

The paradigm of physics - with its interplay of data, theory and prediction - is the most powerful in science.

If you aren't confused by quantum physics, then you haven't really understood it

I thought I wanted to be a physicist in high school until I learned that there was much more math than philosophy in it. I assumed I would just sit around all day and think.

String theory is 21 st century physics that fell accidentally into the 20th century.

For a physicist mathematics is not just a tool by means of which phenomena can be calculated, it is the main source of concepts and principles by means of which new theories can be created.

We can deduce, often, from one part of physics like the law of gravitation, a principle which turns out to be much more valid than the derivation.

Nature allows only experimental situations to occur which can be described within the framework of the formalism of quantum mechanics

I am not enough of a mathematician to be able to judge either the well-foundedness or the limits of relativity in physics.

There's branches of science which I don't understand; for example, physics. It could be said, I suppose, that I have faith that physicists understand it better than I do.

In the spring of 1929, I returned to the United States. I was homesick for this country. I had learned in my student days a great deal about the new physics. I wanted to pursue this myself, to explain it, and to foster its cultivation.

Everything is physics and math.

Doing physics is a lot of fun if you like it.

I'd really like to go on a date with Stephen Hawking. I just think we'd have really good chat. I'd just like to sit and listen to him.

I thought I should study physics because it's fundamental to all science.

I studied physics at university, and I'm still a sucker for an experiment or scientific theory.

I accept no principles of physics which are not also accepted in mathematics.

As you know, a theory in physics is not useful unless it is able to predict underlined effects which we would otherwise expect.

Quantum field theory, which was born just fifty years ago from the marriage of quantum mechanics with relativity, is a beautiful but not very robust child.

I read a lot of science books - I love cosmology, quantum theory, particle physics. So my idea of a great read would probably put you directly into a coma.

The electron is a theory we use; it is so useful in understanding the way nature works that we can almost call it real.