וַיִּירָא֙ וַיֹּאמַ֔ר מַה־נּוֹרָ֖א הַמָּק֣וֹם הַזֶּ֑ה אֵ֣ין זֶ֗ה כִּ֚י אִם־בֵּ֣ית אֱלֹהִ֔ים וְזֶ֖ה שַׁ֥עַר הַשָּׁמָֽיִם׃
And he was afraid, and said: ‘How full of awe is this place! this is none other than the house of God, and this is the gate of heaven.’
Read halakhic rulings (Jewish law) on Genesis 28:17: and classical halakhic sources.