The readiness is all. Since no man of aught he leaves knows, what is’t to leave betimes? Let be.
Everything converges. Laertes has returned to avenge his father and sister. Claudius has arranged a poisoned sword and cup for the fencing match. Hamlet senses danger but no longer resists. He tells Horatio: there is a special providence in the fall of a sparrow. If death comes now, so be it. He is ready.
Hamlet’s final philosophical statement — after five acts of delay, he surrenders to providence. The readiness is all.