śrutvā tatredam abravīt

tasya-his (the sage's); putrah-son; ati-extremely; tejasvi-powerful; viharan-while playing; balakah-with boys; arbhakaih-who were all childish; rajna-by the King; agham-distress; prapitam-made to have; tatam-the father; srutva-by hearing; tatra-then and there; idam-all these; abravit-spoke.