For instance, In Wales might be a more effective Chemistry teacher for Deaf students than a hearing teacher with all kinds of technological aids and an interpreter who doesn't know chemistry. When the capital development of a country becomes a by-product of the activities of a casino, the job is likely to be ill-done. — John M. Keynes
Educational translation, at least as far as I've seen it in practice, is a real talent, and very few people are any good at it.
It's one thing to translate an existing concept. It's quite another to transmit a new one.
