Proverbs 17:21 καρδια δε αφρονος οδυνη τω κεκτημενω αυτην ουκ ευφραινεται πατηρ επι υιω απαιδευτω υιος δε φρονιμος ευφραινει μητερα αυτου

LXX_WH⁽ⁱ⁾

21 G2588 N-NSF καρδια G1161 PRT δε G878 A-GSM αφρονος G3601 N-NSF οδυνη G3588 T-DSM τω G2932 V-RMPDS κεκτημενω G846 D-ASF αυτην G3364 ADV ουκ G2165 V-PMI-3S ευφραινεται G3962 N-NSM πατηρ G1909 PREP επι G5207 N-DSM υιω G521 A-DSM απαιδευτω G5207 N-NSM υιος G1161 PRT δε G5429 A-NSM φρονιμος G2165 V-PAI-3S ευφραινει G3384 N-ASF μητερα G846 D-GSM αυτου

Brenton⁽ⁱ⁾ ²¹ and the heart of a fool is grief to its possessor. A father rejoices not over an uninstructed son; but a wise son gladdens his mother.