I Samuel 13:1 Kabbalah

בֶּן־שָׁנָ֖ה שָׁא֣וּל בְּמָלְכ֑וֹ וּשְׁתֵּ֣י שָׁנִ֔ים מָלַ֖ךְ עַל־יִשְׂרָאֵֽל׃

Saul was a—years old when he began to reign; and two years he reigned over Israel.

Read kabbalistic (mystical) interpretation of I Samuel 13:1: and classical mystical sources.