Tā cóng zhècì jīnglì zhōng gǎnwù dào le rénshēng de yìyì.
He came to realize the meaning of life through this experience.
Tips
usage
感悟 functions as both verb ('to realize through experience') and noun ('insight, realization'). It's stronger than 感觉 (a passing feeling) and more experiential than 理解 (intellectual understanding) - it implies a felt, hard-won truth.