What is the translation of "With pain comes strength" to Chinese and Japanese?

Chinese........隨著痛苦就有力量
Japanese.....痛みが強くなると

I just know Chinese; the following proverbs are just some of the many proverbs that match the meaning of your English sentence.

Proverb1: 不經一事,不長一智
Wade-Gilos: pu　ching　i　shih,　pu　chang　i　chih　
Pinyin: bu　jing　 yi　shi,　bu　 zhang　yi　zhi　
Meaning: You can't know about something unless you experience it; wisdom comes from experience.

Proverb2: 吃得苦中苦，方為人上人
Wade-Gilos: ch'ih te k'u chung k'u, fang wei jen shang jen　
Pinyin: chi de ku zhong ku, fang wei ren shang ren　
Meaning: If you wish to be the best man, you must suffer the bitterest of the bitter

Sum sing wong