I used to have acne when I was a kid growing up. You can imagine how serious that was in making you feel bad. And I had skinny bow legs. I mean, as a kid growing up, I was an insecure fella.

I'm nearing the end of the road and still learning.

There's not a better job in journalism than the one we have, seriously on '60 Minutes' - not a better job.

Covering Richard Nixon's triumphant run in 1968 turned out to be my last major assignment as a general correspondent for CBS News. In September of that year, '60 Minutes' made its debut and I began the best, the most fulfilling job a reporter could imagine.

I read a lot of science fiction and biography - these are my two favorite genres. My favorite science fiction writers are Hertling, Suarez, Gibson and Stephenson, but I enjoy many others. I dislike reading business books, although I skim a lot of them.

We should revel in tons and tons and tons of ideas. Some of them will manifest and lead to a drug discovery, and some will not.

Science is, rightly, searching for drugs to arrest ageing or to slow the advance of dementia. But the evidence suggests that many of the most powerful factors determining how you age come from what you do, and what you do with others: whether you work, whether you play music, whether you have regular visitors.

Traditionally, scientists have treated the laws of physics as simply 'given,' elegant mathematical relationships that were somehow imprinted on the universe at its birth, and fixed thereafter. Inquiry into the origin and nature of the laws was not regarded as a proper part of science.