וַיֹּ֨סֶף יְהוָ֥ה קְרֹא־שְׁמוּאֵל֮ בַּשְּׁלִשִׁית֒ וַיָּ֙קָם֙ וַיֵּ֣לֶךְ אֶל־עֵלִ֔י וַיֹּ֣אמֶר הִנְנִ֔י כִּ֥י קָרָ֖אתָ לִ֑י וַיָּ֣בֶן עֵלִ֔י כִּ֥י יְהוָ֖ה קֹרֵ֥א לַנָּֽעַר׃
And the LORD called Samuel again the third time. And he arose and went to Eli, and said: ‘Here am I; for thou didst call me.’ And Eli perceived that the LORD was calling the child.
Read Jewish philosophical commentary on I Samuel 3:8: and classical philosophical sources.