Although it is uncertain, it is necessary to make science useful. Science is only useful if it tells you about some experiment that has not been done; it is not good if it only tells you what just went on.

It turns out that all life is interconnected with all other life.

There in wine is found the great generalization: all life is fermentation.

I don't feel frightened by not knowing things, by being lost in the mysterious universe without any purpose - which is the way it really is, as far as I can tell. Possibly. It doesn't frighten me.

There are theoretical physicists who imagine, deduce, and guess at new laws, but do not experiment; and then there are experimental physicists who experiment, imagine, deduce, and guess.

Science is a process for learning about nature in which competing ideas about how the world works are measured against observations.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.