Even if toy makers and advertisers could conjure sex differences into existence on a whim, why would they? Toy makers would ideally want both sexes to covet their offerings, not just one or the other, as this would instantly double the size of their market.

— Steve Stewart-Williams A Billion Years of Sex Differences: How Evolution Shaped the Minds of Men and Women (2026)

More quotes by Steve Stewart-Williams

The Ape That Understood the Universe: How the Mind and Culture Evolve (2018)

The Ape That Understood the Universe: How the Mind and Culture Evolve (2018)

The Ape That Understood the Universe: How the Mind and Culture Evolve (2018)

A Billion Years of Sex Differences: How Evolution Shaped the Minds of Men and Women (2026)

Darwin, God and the Meaning of Life: How Evolutionary Theory Undermines Everything You Think You Know (2010)

Quote text and notes from Wikiquote: Steve Stewart-Williams (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.