strengthened himself in # 14_2CH_12_13 # So king Rehoboam strengthened himself in Jerusalem, and reigned: for Rehoboam [was] one and forty years old when he began to reign, and he reigned seventeen years in Jerusalem, the city which the LORD had chosen out of all the tribes of Israel, to put his name there. And his mother's name [was] Naamah an Ammonitess. 
strengthened himself in # 19_PSA_52_07 # Lo, [this is] the man [that] made not God his strength; but trusted in the abundance of his riches, [and] strengthened himself in his wickedness.