So far as I know, Mark Twain never had rabies.
But if he did, he might have written lke this:
W0gaW4gdGhlIHByb2Nlc3Mgb2YgcHV0dGluZyB0b2dldGhlciBhIGxpdGVyYXJ5IGVzc2F5
IG9uIHJlcHJlc2VudGF0aW9ucyBvZiByYWJpZXMgaW4gQW1lcmljYW4gbGl0ZXJhdHVyZS4gIFRo
ZSByZWFzb24gSeKAmW0gd3JpdGluZyBpcyB0aGF0IEnigJltIGludGVyZXN0ZWQgaW4gZmluZGlu
ZyBvdXQgbW9yZSBpbmZvIG9uIHRoZSDigJxoYWlyYmFsbOKAnSB0aGF0IEppbSB0YWxrcyB0byBu
ZWFyIHRoZSBiZWdpbm5pbmcgb2YgSHVjayBGaW5uLCB3aGljaCBhcyBmYXIgYXMgSSBjYW4gdGVs
bCBpcyB3aGF0IG5ld3NwYXBlcnMgaW4gdGhlIDE5dGggY2VudHVyeSBjYWxsZWQgYSBi --
Mark Twain