Numbers, pathnames, and arrays are examples of self-evaluating objects.
3 ⇒ 3 #c(2/3 5/8) ⇒ #C(2/3 5/8) #p"S:[BILL]OTHELLO.TXT" ⇒ #P"S:[BILL]OTHELLO.TXT" #(a b c) ⇒ #(A B C) "fred smith" ⇒ "fred smith"