荆棘布满但我何曾退却一步
[jīng jí bù măn dàn wŏ hé céng tuì què yī bù]
Meaning 'Thorns fill the path, yet I have never retreated'. It symbolizes the willingness to face numerous challenges and adversities, indicating a brave spirit and firm will that refuse to surrender or give up, no matter how many obstacles are encountered along the way.