וְהָ֨אֲנָשִׁ֜ים אֲשֶׁר־עָל֤וּ עִמּוֹ֙ אָֽמְר֔וּ לֹ֥א נוּכַ֖ל לַעֲל֣וֹת אֶל־הָעָ֑ם כִּֽי־חָזָ֥ק ה֖וּא מִמֶּֽנּוּ׃
But the men that went up with him said: ‘We are not able to go up against the people; for they are stronger than we.’
Read Kabbalistic (mystical) interpretations of Numbers 13:31: Zohar and classical Jewish mystical sources, free online.