Many Latino kids should become scientists because we need scientists all over the world from all different backgrounds. We have many tough problems, and we need everybody's help to solve the problems.

One action society needs to take is to use energy much more efficiently. Instead of incandescent light bulbs, you could switch to LEDs that consume a lot less electricity, for example.

In 1960, I enrolled in the chemical engineering program at UNAM, as this was then the closest way to become a physical chemist, taking math-oriented courses not available to chemistry majors.

The scientists I looked up to at the beginning were not Latino. They were famous scientists of many years ago, like Madame Curie. Later, I realized that there were also, but a very few, Latino scientists. There were good ones, but very few, because there wasn't as much a tradition to be a scientist in our culture. But this is changing.

How can sincerity be a condition of friendship? A taste for truth at any cost is a passion which spares nothing.

My favourite thing about being a model is the people that I meet. I don't think there's any other job where you get to learn so many things about so many different people. I just love forging new relationships.

When people ask me what I miss most about the game, it's being in the locker room and getting to know the guys. Back in those days, we had roommates. We had to talk basketball and that was a great way to understand the game itself and form those lasting relationships.

If you're a guy who's always been the fun-to-be-around teddy bear, then all of a sudden people are viewing you as sexy, it's nice. It's great not having to be the plucky best friend or the comic relief anymore - I love that.