Spacetime tells matter how to move; matter tells spacetime how to curve.

One can only learn by teaching.

Now is the time for everyone who believes in the rule of reason to speak up against pathological science and its purveyors.

I like to think that someone will trace how the deepest thinking of India made its way to Greece and from there to the philosophy of our times

In any field, find the strangest thing and then explore it.

This is *our* Universe, our museum of wonder and beauty, our cathedral.

Spacetime tells matter how to move; matter tells spacetime how to curve.