"We have always underestimated the cell...The entire cell can be viewed as a factory that contains an elaborate network of interlocking assembly lines, each of which is composed of a set of large protein machines...Why do we call [them] machines? Precisely because, like machines invented by humans to deal efficiently with the macroscopic world, these protein assemblies contain highly coordinated moving parts."

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The world is not checking in with us to see what skills we've picked up, what idea we've concocted, what dreams we carry in our hearts. When a job opens, whether it's in the chorus line or on the assembly line, it goes to the person standing there. It goes to the eager beaver the boss sees when he looks up from his work: the pint-sized kid standing at the basketball court on the playground waiting for one of the older boys to head home. "Hey, kid, wanna play?"

— Chris Matthews