וַיֹּ֥סֶף יְהוָ֖ה לְהֵרָאֹ֣ה בְשִׁלֹ֑ה כִּֽי־נִגְלָ֨ה יְהוָ֧ה אֶל־שְׁמוּאֵ֛ל בְּשִׁל֖וֹ בִּדְבַ֥ר יְהוָֽה׃ (פ)
And the LORD appeared again in Shiloh; for the LORD revealed Himself to Samuel in Shiloh by the word of the LORD.
Read Jewish philosophy on I Samuel 3:21: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.