Gary Marcus retweeted a post by @haider1 that attributes a remark to Fields Medalist Terence Tao. The remark states AI lets researchers create scientific output much faster but could come at the cost of nurturing the next generation of scientists. Marcus is described in the post as a cognitive scientist and critic of deep learning. The retweet sits in a set of posts on AI topics. The packet supplies no independent confirmation of the quote or its source beyond the attributed post.