Throne of God and Water of Life — what are they?

Did Jesus declare his deity when he claimed he could quench thirst on the last day of the Feast of Taber­na­cles? We read the following:

Jn. 7:37 On the last day of the feast, the great day, Jesus stood up and pro­claimed, “If any one thirst, let him come to me and drink. 38 He who believes in me, as the scrip­ture has said, ‘Out of his heart shall flow rivers of liv­ing water.’” 39 Now this he said about the Spirit, which those who believed in him were to receive; for as yet the Spirit had not been given, because Jesus was not yet glo­ri­fied. (more…)