>The curious thing is how can you be "100% sure" in making a completely wrong statement, rather than some lower number, like "12% sure". The reason is very sim

>The curious thing is how can you be "100% sure" in making a completely wrong statement, rather than some lower number, like "12% sure". The reason is very simple and surprisingly straightforward (but requires some understanding of compilers): dynamically typed languages that are amenable to interpreter implementations are very hard to compile AOT. Now note I have since the beginning emphasized AOT - ahead of time - but this does not preclude JITs. But in reality I don't really care about this aspect - it was the other guy who for whatever reason decided to flaunt that clisp can be compiled when comparing it with Mathematica.