A provocative, somewhat unsystematic thinker, Unamuno aimed at sowing spiritual disquiet.
"They were trying to cause panic among the senators, and they were successful at sowing some doubts".
"[Chlorine], although militarily not a very efficient way of conducting war, is extremely effective at sowing terror.
Despite the rebels' success at sowing chaos, many American officials were saying last week that they might number as few as several hundred.
For example, offering Kenyan farmers half-price fertiliser at sowing time didn't work, because they hadn't saved enough money from harvest time to buy it.
However, this is believed to be the first such attack in the country seemingly aimed at sowing sectarian division by targeting the minority Shia population.
The see-saw of destruction appears aimed at sowing division among members of the opposition and civilians, about 250,000, still living in the area, pressuring them with the prospect of prolonged suffering to abandon their redoubt.
In recent weeks, the rebels have threatened hundreds of town mayors, trying to force them to abandon their posts, and they set off bombs in urban areas, apparently aimed at sowing terror.
But selling farmers a full-price voucher directly after the harvest, when they could afford it, to be exchanged for fertiliser at sowing time when they needed it, increased fertiliser use by 50%.
While Rasmussen conceded there may have been some such cases, Nato has clearly concluded from intelligence that the attacks have more to do with a Taliban strategy of infiltration of the Afghan security structures aimed at sowing distrust and confusion.
