Manfred Eigen

In theory, there is no difference between theory and practice. But, in practice, there is.

A theory has only the alternative of being right or wrong. A model has a third possibility: it may be right, but irrelevant.

Sometimes a scream is better than a thesis.

I've conducted an experiment on my kids. Instead of denying them access to media, I've encouraged it. They read comic books, play Nintendo and watch way too much TV.

It's very hard to play the straight lead girl and still make her sparkly and fun and real.

Under the previous regime of Prime Minister Meles Zenawi, I was detained. So was my wife, Serkalem Fasil. She gave birth to our son in prison in 2005.