Amos 5:13 Midrash

לָכֵ֗ן הַמַּשְׂכִּ֛יל בָּעֵ֥ת הַהִ֖יא יִדֹּ֑ם כִּ֛י עֵ֥ת רָעָ֖ה הִֽיא׃

Therefore the prudent doth keep silence in such a time; For it is an evil time.

Read midrashic interpretation of Amos 5:13: and classical rabbinic exegesis.