noun
bag of wisdom; all one's wisdom
Literally a bag containing wisdom; used figuratively for a person or thing that is a source of great knowledge or good ideas.
祖母は家族の知恵袋だ。
My grandmother is the fount of wisdom for our family.
この本はまさに生活の知恵袋です。
This book is truly a bag of wisdom for daily life.
noun
the brains (of a group); the smart one; personal adviser
Refers to a person who is the most knowledgeable or clever member of a group, often relied upon for advice or solutions.
彼はチームの知恵袋で、いつも良いアイデアを出してくれる。
He is the brains of the team and always comes up with good ideas.
困ったときは、彼女が私の知恵袋です。
When I'm in trouble, she is my personal adviser.