Alphabetic trivia

Writer Alan Jacobs obviously didn't have much to do this morning (my time). Here are the results of four of his tweets, in which he provides sentences of various lengths that each contain all the letters of the alphabet. Makes a change from 'the quick brown fox, etc'.

Jackdaws love my big sphinx of quartz.

Sphinx of black quartz, judge my vow.

Waltz, nymph, for quick jigs vex Bud.

Pack my box with five dozen liquor jugs.