This is a shrewd remark.

Paz made a shrewd remark on the heteronyms: In each are particles of negation or unreality.

A shrewd remark, but, I am afraid, irrelevant.

It was not one of the shrewdest remarks ever made.

Even, one memorably embarrassing time, when he'd been no more than ten, a cutting, shrewd remark ("How do you know, did God tell you?")

'L'Etat c'est moi' was a shrewd remark, but can hardly have been intended as a definition even in the France of the time.

Erejzan tensed angrily at this shrewd remark.

I quoted some very shrewd remarks which a lady had made to me at dinner.

Both points of view become terminally dull and unbalanced, and despite an occasional shrewd remark, there isn't much in between.

It was a shrewd remark and very near to the truth.