Better to die in the pursuit of civilized values, we believed, than in a flight underground. We were offering a value system couched in the language of science.

Today, Academies of Science use their influence around the world in support of human rights.

The respect for human rights, essential if we are to use technology wisely, is not something alien that must be grafted onto science. On the contrary, it is integral to science, as also to scholarship in general.

For science must breathe the oxygen of freedom.

Science exists, moreover, only as a journey toward troth. Stifle dissent and you end that journey.

While that amendment failed, human cloning continues to advance and the breakthrough in this unethical and morally questionable science is around the corner.

Mothers, unless they were very poor, didn't work. Both of my parents had to leave education. My mother had to work in a cotton mill until 18 or 19, when she took some training in domestic science.

As a theoretical physicist, I feel at once proud and humble at the thought of the illustrious figures that have preceded me here to receive the greatest of all honors in science, the Nobel prize.

You know, there was a time, just before I started to study physical science, when astronomers thought that systems such as we have here in the solar system required a rare triple collision of stars.

Science and vision are not opposites or even at odds. They need each other. I sometimes hear other startup folks say something along the lines of: 'If entrepreneurship was a science, then anyone could do it.' I'd like to point out that even science is a science, and still very few people can do it, let alone do it well.