chī​dé​kǔ​zhōng​kǔ, fāng​wéi​rén​shàng​rén

perseverance

吃得苦中苦,方为人上人 (吃得苦中苦,方為人上人) chī​dé​kǔ​zhōng​kǔ, fāng​wéi​rén​shàng​rén
perseverance
One cannot achieve glory, wealth, or superior status without having endured the most extreme trials and tribulations; no pain, no gain.

Sources

Definitions
CC-CEDICT