I speak Spanish and I think it's not as logical as English. It seems Spanish can express more passion but it falls short when it needs to be succinct and to the point. For example "if" is translated to "si", which is the exact word as "yes" (except without the accent mark, which itself another issue). "Or" is just "o", and so on where logical conjunctions aren't unique. That said, I think it could be a good start for Spanish speakers that haven't yet learned English.

I wonder what could be the best human language to use for a programming language, including any ancient language. Maybe Sanskrit or something even more logical than English?