НА ДВУХ СВАДЬБАХ СРАЗУ НЕ ТАНЦУЮТ

Cf:A horse can't pull while kicking (Am.). A man cannot reel and spin together (whistle and drink at the same time) (Br.). A man cannot whistle and eat a meal at the same time (Am.). No man can do two things at once (sup and blow together) (Br.). One cannot be in two places at once (Am.,Br.). When a mule is kicking, he is not pulling; and when he is pulling, he is not kicking (Am.). You can't dance at two weddings with one pair of feet (Am.) You can't follow two paths (Am.). You can't ride two horses at the same time (Am.)