Do not disturb thyself by thinking of the whole of thy life.

In Book VIII of Meditations, Marcus Aurelius warns against piling the imagined burdens of an entire life onto the present moment. The surrounding passage brings attention back to the difficulty actually here. Its scale matters: a lifetime is too large to deal with this morning, whereas one task, one decision, or one uncomfortable conversation has edges that can be examined.

Planning is useful, but it becomes a peculiar form of work when every future problem arrives in advance and demands immediate attention. The quotation offers a way of separating preparation from this mental crowding. Which part belongs to today? What can actually be done about it now? Those questions do not make uncertainty disappear. They make it less likely that hypothetical troubles will consume the energy needed for a real one.

The cream tabby at the rainy window has a much smaller subject: a single drop on the glass. The picture makes no claim that a cat has solved the human future. It simply offers a pleasing contrast to our talent for rehearsing ten difficult years before breakfast. A whole life need not fit on the windowsill. For the moment, one small thing can have our attention.