אַתֶּ֗ם לְכ֨וּ קְח֤וּ לָכֶם֙ תֶּ֔בֶן מֵאֲשֶׁ֖ר תִּמְצָ֑אוּ כִּ֣י אֵ֥ין נִגְרָ֛ע מֵעֲבֹדַתְכֶ֖ם דָּבָֽר׃
Go yourselves, get you straw where ye can find it; for nought of your work shall be diminished.’
Read kabbalistic (mystical) interpretation of Exodus 5:11: and classical mystical sources.