Having recently listened to John McWhorter's lectures on the history of human language, I was surprised to find out that there is no reliable evidence for the Sapir-Whorf hypothesis (that language affects thought). The Wikipedia article on linguistic relativism states:
> The strongest form of the theory is linguistic determinism, which holds that language entirely determines the range of cognitive processes. The hypothesis of linguistic determinism is now generally agreed to be false.
> The strongest form of the theory is linguistic determinism, which holds that language entirely determines the range of cognitive processes. The hypothesis of linguistic determinism is now generally agreed to be false.