On reflection I think he had his wisdom in two sources: First, his own life experience and rational thinking based on his experience. He liked to ponder over his life by reading his book.

揣度一下，感到他的这种睿智，缘于两种途径：一是他本人的人生阅历，及建立在这个基础之上的理性思考，通过读他的书，知道他是个喜欢“琢磨“生活的人。

youdao

But life experience and accumulated wisdom can help offset normal brain decline and compensate for slowed retrieval time.

不过人生阅历和智慧能帮助弥补正常的大脑衰退，补偿减慢的信息提取时间。

youdao

Observation and experience is in harmony to the life wisdom.

观察与经验和谐地应用到生活上就是智慧。

youdao

And you've raised kids, you've had a lot of experiences in life, and do you not apply that knowledge and experience and wisdom to circumstances such as this?

CNN: Transcripts from video deposition of Lewinsky, Jordan, and Blumenthal

What Sonia will bring to the court, then, is not only the knowledge and experience acquired over a course of a brilliant legal career, but the wisdom accumulated from an inspiring life's journey.

CNN: Transcript of Obama-Sotomayor announcement