There is no reason why we shouldn't be able to split an infinitive, any more than we should forsake instant coffee and air travel because they weren't available to the Romans.

I can't fix the world. If you want to make a difference in life, you have to direct your energies in a focused way.

Boston's freeway system is insane. It was clearly designed by a person who had spent his childhood crashing toy trains.

There are three stages in scientific discovery. First, people deny that it is true, then they deny that it is important; finally they credit the wrong person.

Energy is liberated matter, matter is energy waiting to happen.

If you were designing an organism to look after life in our lonely cosmos, to monitor where it is going and keep a record of where it has been, you wouldn't choose human beings for the job. But here's an extrememly salient point: we have been chosen, by fate or Providence or whatever you wish to call it. As far as we can tell, we are the best there is. We may be all there is. It's an unnerving thought that we may be the living universe's supreme achievement and its worst nightmare simultaneously.

In three minutes, 98 percent of all the matter there is or will ever be has been produced. We have a universe