Sentence examples similar to diligent notetaking from inspiring English sources

"Diligent inquiry"?

All were diligent exercisers.

Blessed with diligent researchers.

But he was diligent.

We are diligent.

Very diligent.

"Second, you weren't diligent".

Here, I'm not referring to the notetaking habits we were taught in school.

Diligent, courageous, intelligent and kind.

He must also be diligent.

Diligent and, also, mildly embarrassed.