וַאֲנִ֣י יִסַּ֔רְתִּי חִזַּ֖קְתִּי זְרֽוֹעֹתָ֑ם וְאֵלַ֖י יְחַשְּׁבוּ־רָֽע׃
Though I have trained and strengthened their arms, Yet do they devise evil against Me.
Read kabbalistic (mystical) interpretation of Hosea 7:15: and classical mystical sources.