וַיִּהְי֥וּ בְנֵֽי־יִשְׂרָאֵ֖ל בַּמִּדְבָּ֑ר וַֽיִּמְצְא֗וּ אִ֛ישׁ מְקֹשֵׁ֥שׁ עֵצִ֖ים בְּי֥וֹם הַשַּׁבָּֽת׃
And while the children of Israel were in the wilderness, they found a man gathering sticks upon the sabbath day.
Read halakhic rulings (Jewish law) on Numbers 15:32: and classical halakhic sources.