We first dug out sixteen thousand fluent speakers of the several Sirian dialects. Eliminating the females and children brought the number down to nine thousand. Then, step by step, we cut out the elderly, the infirm, the weak, the untrustworthy, the temperamentally unsuitable. We weeded out those too short, too tall, too fat, too thin, too stupid, too rash, too cautious, and so forth. We weren't left with many among whom to seek for wasps.
Listen to me. You were born in Masham, capital city of Diracta – the Sirian home planet. Your father was a trader there at the time. You lived on Diracta until the age of seventeen, when you returned with your parents to Terra.
That was the kind of chance that must be taken when one holes up in known and regularly checked haunts. The risk was not enormous, in fact it was small – but it was still there. And when tried, sentenced and waiting for death it is no consolation to know that what came off was a hundred to one chance. To keep going and to maintain the one-man battle the enemy had to be outwitted, if possible, all along the line and all the time.
When one is fighting a paper-war one uses paper-war tactics that in the long run can be just as lethal as high explosive. And the tactics are not limited in scope by use of one material. The said material is very variable in form. Paper can convey a private warning, a public threat, secret temptation, open defiance; wall-bills, window-stickers, leaflets dropped by the thousands from the roof-tops, cards left on seats or slipped into pockets and purses... money.