Literature Reference: 木直几自寇，石坚亦他攻。—— 《杂诗五首 五》 Straight wood invites its own felling, and hard stone invites its own chiseling. Source from 'Miscellaneous Poems, Part 5'.
木: Wood and trees symbolize a person's simplicity, honesty, and approachability.
直: Straight. Frank. In names, it often signifies uprightness, honesty, and straightforwardness, which is conducive to gaining support from noble figures.
Meaning: Straight as a tree, symbolizing integrity, resilience, and an unyielding spirit.