one's mind is full of learning 满腹经纶

“满腹经纶”，汉语成语，意思是满肚子学问、本领，形容人很有才学和智谋。可以翻译为“be profoundly learned and talented，one's mind is full of learning”等。

例句：

他雄才大略满腹经纶，是个不可多得的人才。

He has great knowledge and bold vision and is a rare genius.

他就是那位满腹经纶的诗人。

He is the profoundly learned and talented poet.