"If you're not working, over time you're much more likely to develop attitudes and orientations and behavior patterns that are associated with casual or infrequent work. And then when you open up opportunities for people, you notice that these attitudes, orientations, habits and styles also change."

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[E]volutionists sometimes take as haughty an attitude toward the next level up the conventional ladder of disciplines: the human sciences. They decry the supposed atheoretical particularism of their anthropological colleagues and argue that all would be well if only the students of humanity regarded their subject as yet another animal and therefore yielded explanatory control to evolutionary biologists.

— Stephen Jay Gould