Marco Rubio

People are frustrated. This is the most generous country in the world when it comes to immigration. There are a million people a year who legally immigrate to the United States, and people feel like we're being taken advantage of. We feel like despite our generosity, we're being taken advantage of.

I want to tell mayors, county chiefs and heads of big companies: don't just chase GDP growth; don't chase the biggest profits at the expense of our children and grandchildren and at the cost of sacrificing our ecological environment.

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.