He is acquisitive of knowledge.
His knowledge is very wide‐ranging [extensive].
He is acquisitive of knowledge.
Nothing but his knowledge will proceed.
He has both knowledge and experience
He has experience no less than knowledge.
He has experience as well as knowledge.
I was impressed with [by, at] his knowledge.
He doesn't have that level of knowledge.
He was able to acquire knowledge steadily.
He has both experience and knowledge.