Things I miss since learning O'Caml

[wtd]

An unnecessary dichotomy.

Why is there a need for "statements" at all? Certainly expressions that return "unit" or something comparable provide all the same functionality.

[rizzix]

It's more intuitive.
In a natural language, you have words which compose clauses/phrases which compose statements which compose paragraphs, which finally composes an article.
Similarly, in a strucured language (like C/Java) we have expressions which compose statements which compose blocks, which finally composes a program.

[Cervantes]

Granted, statements might be a little more intuitive. But I think it's a pretty poor argument when you consider the power and flexibility that comes with embracing expressions over statements.