I think that in the 21st century, medical biology will advance at a more rapid pace than before.

When I saw the embryo, I suddenly realized there was such a small difference between it and my daughters. I thought, we can't keep destroying embryos for our research. There must be another way.

I grew so depressed from the lack of support that I considered quitting. No one understood me.

I like the freedom of research. Plus, if I fail in science, I know I can always survive because I have an M.D. This has been my insurance policy.

I thought, we can’t keep destroying embryos for our research. There must be another way.

There is no way now to get around some use of embryos. But my goal is to avoid using them.

To read Shakespeare is to feel encompassed -- the plays contain practically every word I know, practically every character type I have ever met, and practically every idea I have ever had.

He is precisely the young man to fall headlong in love and repent it for the rest of his life.

Nothing serves life and soundness of body so well, nor is so necessary as the smoke of the royal plant, tobacco.

Nature does nothing in vain, and in the use of means to her goals she is not prodigal.

I'd say that the middle stanza is closer: that's the place where the poem ranges unexpectedly into a different realm.

Sometimes performing someone else's song is more difficult than writing your own.

If you've ever driven across Texas, you know how different one area of the state can be from another. Take El Paso. It looks as much like Dallas as I look like Jack Nicklaus

I think life throws enough curveballs that you shouldn't make such a big deal out of everything.

When once a certain class of people has been placed by the temporal and spiritual authorities outside the ranks of those whose life has value, then nothing comes more naturally to men than murder.

By silence, I hear other men's imperfections and conceal my own.