I don't work on longevity, I work on keeping people healthy.

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.

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

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.

The most liberating feeling in the world is to not give the negative opinions of others any traction.

Diamonds are valuable because they are uncommon

Give others the benefit of the doubt. Until they run out of benefit and you run out of doubt.

Be passionate and move forward with gusto every single hour of every single day until you reach your goal.

You see a lot of fear among Republicans. Oh, man, this guy [Donald Trump] has a lot of vulnerabilities and weaknesses that's not been tested at all yet.

I might grow old in Brisbane, but I would never grow up.

So many people commute in this country by car long enough distances to really cut into their income, their real income, that they would change their vote based on gas prices.

When you raise the price of employment, guess what happens? You get less of it. Why do we want to make it harder for small employers to hire people?

What I need most of all is certainty.

If I've learned one thing, it's 'don't tell the truth.' Lies keep you together.