וַתִּשָּׂא֙ כָּל־הָ֣עֵדָ֔ה וַֽיִּתְּנ֖וּ אֶת־קוֹלָ֑ם וַיִּבְכּ֥וּ הָעָ֖ם בַּלַּ֥יְלָה הַהֽוּא׃
And all the congregation lifted up their voice, and cried; and the people wept that night.
Read kabbalistic (mystical) interpretation of Numbers 14:1: and classical mystical sources.