Any kind of manipulation with human embryos should be…

We can continue to make significant strides in the scientific community by exploring new stem cell research methods that do not include destroying human…

— John Boehner

I am in favor of stem-cell research. I am not in favor of creating new human embryos through cloning.

— Mitt Romney

If you are in support of in vitro fertilization, then you have to recognize that human embryos are being created in excess of what…

— Francis Collins

In recent weeks we learned that scientists have created human embryos in test tubes solely to experiment on them. This is deeply troubling, and…

— George W. Bush

The benefits of medical research are real - but so are the potential horrors of genetic engineering and embryo manipulation. We devise heart transplants,…

— Martin Ryle

“Of course they don't function as gills, but five-week human embryos can be regarded as little pink fishes, with gills.”

— Richard Dawkins

It is not possible to think of a way of screening out effectively the most appropriate embryos, and hence, what we should expect would…

— Ian Wilmut

“A three-day-old human embryo is a collection of 150 cells called a blastocyst. There are, for the sake of comparison, more than 100,000 cells…

— Sam Harris

“The drive to change the genome of a human embryo has turned into an intercontinental arms race. As of this writing, four other groups…

— Siddhartha Mukherjee

“A three-day-old human embryo is a collection of 150 cells called a blastocyst. There are, for the sake of comparison, more than 100,000 cells…

— Sam Harris

We deeply regret Sen. Frist's endorsement of an embryonic stem cell research policy that would turn living human beings into commodities for exploitation. ...…

— David Stevens

To all conservative women out there: If you are so sure the embryo needed for stem cell research are precious human life that can't…

— Bill Maher

I was a single parent, and I was prohibited from working.

— Alison Moyet

We shall say clearly that any symbol conspicuously displaying religious affiliation in school is prohibited.

— Jean-Pierre Raffarin

God has prohibited despair.

— Sophie Swetchine