地狱不空，誓不成佛 (地獄不空，誓不成佛) dì yù bù kōng shì bù chéng fó

dì yù bù kōng shì bù chéng fó phrase I shall never attain buddhahood until hell is emptied
Domain: Buddhism 佛教 , Subdomain: Fo Guang Shan
Notes: (Glossary of Humanistic Buddhism)