<wob_jonas> perl -eopen$i,"<",($f="wisdom/aristotle");$_=<$i>; s/, even though.*\\. / without checking. / or die; if (1) { open$o,">",$f; print$o $_ or die; } print substr$_,0;

Esoterra is the planet of Esoterrans, also known as Esolangers. The proof of its existence is non-constructive, although some suspect that it is in fact Earth.