What I'm after is not living to 1,000. I'm after letting people avoid death for as long as they want to.

If changing our world is playing God, it is just one more way in which God made us in His image.

Ageing is, simply and clearly, the accumulation of damage in the body. That's all that ageing is.

Public enthusiasm for new advances is a key ingredient in influencing policy-makers to stimulate follow-up work with suitable funding, and it can be achieved far faster now that interested non-specialists can explore new research autonomously and can also be appealed to directly by scientists.

I think it's reasonable to suppose that one could oscillate between being biologically 20 and biologically 25 indefinitely.

My approach is to start from the straightforward principle that our body is a machine. A very complicated machine, but none the less a machine, and it can be subjected to maintenance and repair in the same way as a simple machine, like a car.

Accept the difficulty of what you cannot yet change. But do not accept the impossibility of ever changing it.