Half the battle is just showing up.

I like physics, but I love cartoons.

Someone told me that each equation I included in the book would halve the sales.

It's the gravity that shapes the large scale structure of the universe, even though it is the weakest of four categories of forces

The world has changed far more in the past 100 years than in any other century in history. The reason is not political or economic but technological-technologies that flowed directly from advances in basic science. Clearly, no scientist better represents those advances than Albert Einstein: TIME's Person of the Century.

To boldly go where no one has gone before

Many badly needed goals, like fusion and cancer cure, would be achieved much sooner if we invested more.