But you'd think they'd have learned from 1939 how well that works.

He could have learned so much from me, that one.

Every second was critical; the Human race had learned that the hard way.

He had learned that lesson the hard way a long time ago.

He'd learned that lesson the hard way how long ago?

I hope we have all learned that lesson by now.

Well, we have learned that lesson, in more ways than one, my friends.

Boys at other schools probably learned more from books, but less of that better wisdom which makes good men.

He had learned that the hard way and wasn't making the same mistake twice.

He kept moving, having quickly learned that rule of survival.