וַתִּקְרְב֣וּן אֵלַי֮ כֻּלְּכֶם֒ וַתֹּאמְר֗וּ נִשְׁלְחָ֤ה אֲנָשִׁים֙ לְפָנֵ֔ינוּ וְיַחְפְּרוּ־לָ֖נוּ אֶת־הָאָ֑רֶץ וְיָשִׁ֤בוּ אֹתָ֙נוּ֙ דָּבָ֔ר אֶת־הַדֶּ֙רֶךְ֙ אֲשֶׁ֣ר נַעֲלֶה־בָּ֔הּ וְאֵת֙ הֶֽעָרִ֔ים אֲשֶׁ֥ר נָבֹ֖א אֲלֵיהֶֽן׃
And ye came near unto me every one of you, and said: ‘Let us send men before us, that they may search the land for us, and bring us back word of the way by which we must go up, and the cities unto which we shall come.’
Read Jewish philosophical commentary on Deuteronomy 1:22: and classical philosophical sources.