Leon Kass

I don't believe that efforts to prohibit only so-called reproductive cloning can be successful.

What does it mean to be an individual? What does it mean to flourish?

Once you put human life in human hands, you have started on a slippery slope that knows no boundaries.

I'm a big action junkie. I grew up on the '80s action movies - the bad ones and the good ones.

We define ourselves as intelligent. That's odd, because we're doing the definition - We're creating our own definition and saying, 'We are intelligent!'

It's good to like yourself, and that only comes from hard work, from doing. But vanity is dangerous; it can trip you badly.