“To do two things at once is to do neither.”
Publilio Siro Latin writer
Misattributed as Maxim 7, p. 13 https://books.google.com/books?id=GKFGAQAAMAAJ&pg=PA13&dq=%22To+do+two+things+at+once+is+to+do+neither.%22 <br class="br">Variant of: <br class="br">Duos qui sequitur lepores neutrum capit <br class="br">Who chases two rabbits catches neither. <br class="br">A Dictionary of Quotations in most frequent Use, David Evans Macdonnel, 1797, quoted in The Monthly Review, 1798, p. 467 https://books.google.com/books?id=KYhPAAAAYAAJ&pg=PA467&dq=%22duos+qui+sequitur+lepores+neutrum+capit%22 <br class="br">Apparently of medieval or modern origin, not found in antiquity. <br class="br">Misattributed