It's an unbelievable, absurd paradox that we have to put one step in front of the other every day without knowing which one will be our last.

I am somebody who has always struggled with uncertainty. And, of course, uncertainty is so core to life. I seek out knowledge to help me deal with that. But I'm also aware that knowledge can be really a double-edged sword.

I did invent the idea of using lucid dreaming to treat sleep disorders, but I was influenced by many real-life researchers - from forefathers like Freud and Jung to Stephen Laberge and Rosalind Cartwright, who explore lucid dreaming and parasomnias.

I think much of my own quest in life is to figure out how best to cope with my own uncertainties.

I have tennis shoes with little rhinestones that I slip on if I exercise. But I always wear heels, even around the house. I'm such a short little thing, I can't reach my kitchen cabinets.

The world cannot continue to build larger health care systems where you just sit around and wait for people to get sick.

Star Trek wouldn't die. There were a whole lot of young people who were touched by the thought process of science fiction. If you watched a cop show, there wasn't anything that was going to stimulate your mind.

As adults feign disinterest in science - children can grab hold of it to distinguish themselves.