Seven Brief Lessons on Physics

by Carlo Rovelli

structure of nature is more subtle than it appears.

Earth is not at the center of the dance of the planets but that the sun is there instead. Our planet becomes one among the others, turning at high speed upon its axis and around the sun.

the solar system itself is only one among a vast number of others, and that the sun is no more than a star like others.

There is no such thing as a real void, one that is completely empty.

A world of happenings, not of things.

It’s clear that there is something there, but we don’t know what. Nowadays it is called “dark matter.”