The ideal of uncontroversial checkability of mathematical arguments, however, seems to be related to formal derivations rather than scribblings on napkins.

Why should I agree that a twiddle of skirts from right to left and pointing a toe in one direction mean “ He loves me,” while the reverse twiddle and the toe pointed in the opposite direction "He loves me not”?

These relay stations are actually special-purpose email servers. They are used to relay spam from the spam's originator so that the originator cannot be traced.

The dead--in holy, stilly peace, the sacred dead repose, Afar from earth's turmoil and grief, and all of sick'ning woes; From racking pain, and withering pride, and avarice's care, Secure they rest in solitude, unaw'd by sin or snare.