living proof

Noun

 * 1)  A real-life person or thing which demonstrates the validity of a hypothesis.
 * His story is living proof that anyone who puts in a good amount of hard work can find success.

Translations

 * Chinese:
 * Mandarin: 活生生的證據, "活生生的证据"
 * Finnish: elävä todiste
 * French: preuve vivante
 * Hungarian: élő példa
 * Spanish: ejemplo vivo