Enzymes catalyze all the reactions of life. They're what allow you to extract materials and energy from your environment and turn that into muscle and tissue and fat. That's all done by enzymes. They're pretty remarkable chemists - they're even better than Caltech chemists.

The code of life is like a Beethoven symphony. We have not yet learned how to write music like that. But evolution does it very well. I am learning how to use evolution to compose new music.

I wanted to make enzymes that would solve human problems, not just problems for a cell that makes them.

Frances Arnold Quotes