Tomorrow always comes, and today is never yesterday.

The line compresses a meditation on time’s irreversibility into a pair of paradoxes. “Tomorrow always comes” suggests the inevitability of the future—time advances regardless of our readiness—while “today is never yesterday” insists that the present cannot be reclaimed or rerun as the past. Taken together, the aphorism discourages nostalgia and procrastination alike: you cannot return to fix yesterday, and you cannot stop tomorrow from arriving, so the only workable arena for choice is the present moment. Its balanced structure (future/past; always/never) gives it the feel of a moral maxim about urgency, acceptance, and acting now.