"The world is awful" highlights a problem that needs solving, a concrete goal
"The world is better" tells you that something is working, which you can build on top of or improve
"The world can be better" gives a proposal for a course of action
While the 3rd might seem like the most useful, the 1st is extremely important too, because if the proposal fails then you need to fall back to thinking about the problem. The 2nd is important for both motivation, and also for promoting incremental progress
"The world is awful" highlights a problem that needs solving, a concrete goal
"The world is better" tells you that something is working, which you can build on top of or improve
"The world can be better" gives a proposal for a course of action
While the 3rd might seem like the most useful, the 1st is extremely important too, because if the proposal fails then you need to fall back to thinking about the problem. The 2nd is important for both motivation, and also for promoting incremental progress