Although intergenerational population replacement involves long time lags, cultural change can reach a tipping point at which new norms become dominant. Conformism and social desirability effects then reverse polarity: instead of retarding the changes linked with intergenerational population replacement, they accelerate them, bringing unusually rapid cultural change.
~ Ronald Inglehart

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Throughout most of history, religious institutions were able to impose pro-fertility norms. But the causal relationship is reciprocal and the dominant direction can be reversed: if pro-fertility norms come to be seen as outmoded and repressive, their rejection also brings rejection of religion.
~ Ronald Inglehart

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The shift from survival values to self-expression values is linked with increasing tolerance of diversity, an essential component of democracy.
~ Ronald Inglehart

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