I believe we can build a better world! Of course, it'll take a whole lot of rock, water & dirt. Also, not sure where to put it.
I like the sentiment, and he did it with 13 characters to spare! Twitter gets criticized for shortening our thoughts and communications to superficial blurbs, but when you approach a tweet this way, it becomes a challenging poetic form (like a haiku, perhaps) that demands an artful economy of language.