The science can tell you that the thousands of pseudo-scientific parenting books

The science can tell you that the thousands of pseudo-scientific parenting books out there – not to mention the ‘Baby Einstein’ DVDs and the flash cards and the brain-boosting toys – won’t do a thing to make your baby smarter. That’s largely because babies are already as smart as they can be; smarter than we are in some ways.
– Alison Gopnik –