Adjective
none the wiser (not comparable)
Not having learned something after a possible opportunity to do so.
They were none the wiser from their experience
After the lecture, nobody was any the wiser on the subject.
He's very careful, so his victims are none the wiser
On homosexuals- I'm still none the wiser as to why they do that - Video Podcast|Video Podcast 5. Karl Pilkington
I walked a mile with Pleasure, She chatted all the way, But left me none the wiser For all she had to say. I walked a mile with Sorrow, And ne'er word said she But, oh, the things I learned from her When Sorrow walked with me. Robert Browning