But in spite of the obvious effectiveness of mathematics in physics, I have never heard of a good a prioriargument that the world must be organised to mathematical principles.

Having begun my life in science searching for the equation beyond time, I now believe that the deepest secret of the universe is that its essence rests in how it unfolds moment by moment in time.

One possibility is: God is nothing but the power of the universe to organize itself.

Deep, persistent problems are never solved by accident; they are solved only by people who are obsessed with them and set out to solve them directly.

Surprise is inherent in the structure of the world.

There is nothing outside the universe.

On the way, I shared the backseat of Feyerabend's little sports car with the inflatable raft he kept there in case an 8-point earthquake came while he was on the Bay Bridge.

Some string theorists prefer to believe that string theory is too arcane to be understood by human beings, rather than consider the possibility that it might just be wrong.

Science is not about what's true or what might be true, science is about what people with originally diverse viewpoints can be forced to believe by the weight of public evidence.

Simplicity and beauty are the signs not of truth but of a well-constructed approximate model of a limited domain of phenomena.

Any two particles in the universe attract each other through the gravitational interaction.

Pain is an illusion, an illusion that really really hurts!

Even though he'd been born into a country unshackling itself from its colonial masters, even though he'd lived through nearly twenty years of freedom, nothing much changed for you when you were poor.

Let blockheads read what blockheads wrote.

My body needs laughter as much as it needs tears. Both are cleansers of stress.

Stop exporting American jobs. Stop exporting American factories, and stop exporting American sovereignty and independence to global institutions like the World Trade Organization.

Food is fabulous, and having a good relationship with it will make you healthy and happy.

I'm not nearly the saint some of my fans imagine and I'm nowhere near the devil my detractors wish, so you simply take both of those with a grain of salt.

I have been dealing with claims that I cheated and had an unfair advantage in winning my seven Tours since 1999.

We need to help companies find profit opportunities abroad, not photo opportunities.

Liberty is slow fruit. It is never cheap; it is made difficult because freedom is the accomplishment and perfectness of man.