וַיִּבְקְעוּ֩ שְׁלֹ֨שֶׁת הַגִּבֹּרִ֜ים בְּמַחֲנֵ֣ה פְלִשְׁתִּ֗ים וַיִּֽשְׁאֲבוּ־מַ֙יִם֙ מִבֹּ֤אר בֵּֽית־לֶ֙חֶם֙ אֲשֶׁ֣ר בַּשַּׁ֔עַר וַיִּשְׂא֖וּ וַיָּבִ֣אוּ אֶל־דָּוִ֑ד וְלֹ֤א אָבָה֙ לִשְׁתּוֹתָ֔ם וַיַּסֵּ֥ךְ אֹתָ֖ם לַֽיהוָֽה׃
And the three mighty men broke through the host of the Philistines, and drew water out of the well of Beth-lehem, that was by the gate, and took it, and brought it to David; but he would not drink thereof, but poured it out unto the LORD.
Rashi
They drew water and poured it out.4Perhaps as Dovid did in II Shmuel 23:16. Targum Yonoson renders, "and they poured out their hearts like water, in repentance, before '."5See Eichah 2:19.ה And according to its simple meaning, it is merely symbolic of humility, [i. e.,] we are before You like these poured out waters.6Water may also be referring to the Torah which is often compared to water. By filling their hearts with Torah, the Bnei Yisroel were able to recognize their sins, feel the need to change their ways and return to ‘ה.