This stood out to me reading the notes from Knuth's Mathematical Writing seminar, linked elsewhere on this comment page. An example from page 21: > He recently

This stood out to me reading the notes from Knuth's Mathematical Writing seminar, linked elsewhere on this comment page. An example from page 21: > He recently spent four hours looking through the collected works of Lagrange trying to find the source of “Lagrange’s inequality,” but he was unsuccessful. Considering the benefit to future authors and readers, he’s not too unhappy with the new law. The second sentence contrasts with the first, and with the rest of the paragraph, which I have omitted here. I had to read it twice to grasp its meaning. A "however" or a "nonetheless" is a nice hint to the lazy reader.