一念执着把幸福给你一生倔强把幸福还你
[yī niàn zhí zhe bă xìng fú jĭ nĭ yī shēng jué qiáng bă xìng fú hái nĭ]
This expresses a deep dedication and implies that giving happiness requires steadfastness ('stubbornness'), symbolizing an unyielding commitment to someone's happiness at any cost.