וְהַנֹּגְשִׂ֖ים אָצִ֣ים לֵאמֹ֑ר כַּלּ֤וּ מַעֲשֵׂיכֶם֙ דְּבַר־י֣וֹם בְּיוֹמ֔וֹ כַּאֲשֶׁ֖ר בִּהְי֥וֹת הַתֶּֽבֶן׃
And the taskmasters were urgent, saying: ‘Fulfil your work, your daily task, as when there was straw.’
Read kabbalistic (mystical) interpretation of Exodus 5:13: and classical mystical sources.