What I actually wanted to do with my life is make a difference to the world. That led me into science very quickly.

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

There is no difference between saving lives and extending lives, because in both cases we are giving people the chance of more life.

It's not just about life, of course; it's about healthy life. Getting frail and miserable and dependent is no fun, whether or not dying may be fun.

[Anti-aging therapies will] never be perfect, but we'll be able to fix the things that 200-year-olds die of before we have any 200-year-olds, and the same for 300 and 400 and so on.

The right to choose to live or to die is the most fundamental right there is; conversely, the duty to give others that opportunity to the best of our ability is the most fundamental duty there is.

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

The biggest handicap in research is an ability to think outside the box. The handicap is being encumbered by all the conventional wisdom in a given field.

If you look at winners of the Nobel Prize in biology, you'll find a fair smattering of people who don't know how to work a pipette.

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

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

I stopped writing in the obvious. I wrote how I saw it and if they don’t understand it, that’s fine.

I should not talk so much about myself if there were anybody else whom I knew as well.

A good critic is the man who describes his adventures among masterpieces.

When the rights of any individual or group are chipped away, the freedom of all erodes.

Tourism is our second biggest industry in terms of the people it employs.

For one drop calls another down, till we are drowned in seas of grief.

It's not a defeat nor an obstacle that is going to get in the way of our dream, my dream continues, the journey continues

I work to attain a 'state of heart', a gentle space offering inspirational substance that could purify one's vision. Photography, like music, must be born in the unmanifest world of spirit.

Back of the sound broods the silence, back of the gift stands the giving; Back of the hand that receives thrill the sensitive nerves of receiving.

Life is this simple: we are living in a world that is absolutely transparent and the divine is shining through it all the time. This is not just a nice story or a fable, it is true.