If I were a worm, I would rather be the long-lived mutant than the normal worm, that's for sure.

It was like stepping on to an escalator; I could do anything. I was just made for science.

The idea that ageing was subject to control was completely unexpected.

You would think that UV just causes mutations, but it doesn't, you need a gene to be active for it.

Life's too short to not be around nice people.

I eat some fruit every day, but not too much and almost no processed food. I stay away from sweets, except 80 per cent chocolate.

In principle, if you understood the mechanisms of keeping things repaired, you could keep things going indefinitely.

Imagine that: If you could change one of the genes in an experiment, an aging gene, maybe you could slow down aging and extend lifespan.

I have always gotten a thrill, a kick, from learning new things.

Age is the single largest risk factor for an enormous number of diseases. So if you can essentially postpone aging, then you can have beneficial effects on a whole wide range of disease.

Maybe one day we will be able to take a pill that keeps us young and healthy much longer. I believe in my heart that this will happen.

After people have repeated a phrase a great number of times, they begin to realize it has meaning and may even be true.

I would much rather have you believe in something I don’t agree with than to accept everything blindly.

I hate how my past actions keep messing up my future options, Seth muttered. Then you've started down the road to wisdom, Grandpa replied.

Gratitude is a word that I cherish. Gratitude is what defines the happiness and humanity of the human being.

My son is 22 years old. If he had not become a Communist at 22, I would have disowned him. If he is still a Communist at 30, I will do it then.

Melania Trump's husband tweeted this: "Arianna Huffington is unattractive both inside and out. I fully understand why her former husband left her for a man. He made a good decision."

You see, I am a very conventional scientist, really.

Usually I'm only using my instruments when I'm recording or playing a gig.

I have four kids - they're 19 to 33 - that I love more than anything.

Attentiveness is the natural prayer of the Soul.