You can. Click on the time for the comment. Then you can favorite it.

Wow this is well hidden. Thanks for the tip!

Yeah, it needs to be pulled out.

Yes, I found it when I noticed the empty comment favorites on my profile.

great tip! thanks!

You absolutely can. But beware: these are public.

Seems like a feature.

Yes.

> Commenting for later. Wish you could "favorite" comments.

Or, you can upvote it (comment)