וַיֹּ֗אמֶר קְחוּ־לִי֙ צְלֹחִ֣ית חֲדָשָׁ֔ה וְשִׂ֥ימוּ שָׁ֖ם מֶ֑לַח וַיִּקְח֖וּ אֵלָֽיו׃
And he said: ‘Bring me a new cruse, and put salt therein.’ And they brought it to him.
Read kabbalistic (mystical) interpretation of II Kings 2:20: and classical mystical sources.