רַ֚ק אֶתְכֶ֣ם יָדַ֔עְתִּי מִכֹּ֖ל מִשְׁפְּח֣וֹת הָאֲדָמָ֑ה עַל־כֵּן֙ אֶפְקֹ֣ד עֲלֵיכֶ֔ם אֵ֖ת כָּל־עֲוֺנֹֽתֵיכֶֽם׃
You only have I known of all the families of the earth; Therefore I will visit upon you all your iniquities.
Read Kabbalistic (mystical) interpretations of Amos 3:2: Zohar and classical Jewish mystical sources, free online.