Throwing out knowledge that can't be produced when you need it is meaningless and self-important.
Gaining knowledge in a way that you can't get it out when you need to is self-complacent and meaningless.
If you learn something and you can't put it to use when you need it, then it's pointless and just for your self-satisfaction.
Knowledge gained in a way that it can't be shared later on is just for self-satisfaction, and it's absurd.
gain knowledge - 知識を得る
get it out - 取り出す
self-complacent - 自己満足の
meaningless - 意味のない
learn something - 何かを学ぶ
put it to use - 活かす
pointless - 無意味な
self-satisfaction - 自己満足
knowledge gained in a way that it can't be shared later「後でシェアできない方法で得られた知識は」が主語です。
- Gaining knowledge in a way that won't allow you to share it when you need to is smug and meaningless.