Musashi's Dokkodo (The Way of Walking Alone)

See things the way they really are, without judgment, without the pursuit of a desired end, and without games. See things the way that they really are so that you can conduct yourself accordingly

See everything just the way it is.”

but realize that any future changes are caused by actions done in the now and are not realized until the future becomes the present

This does not mean one must accept that what “is” must remain as it is, however. Nor does it suggest that you cannot create your own destiny and future. But it does reflect on the fact that we can only live in the present moment. No change will ever occur in the past, and no change can ever happen
in the future. Because when the future arrives, it will be
“now.”

The Big Bloody Book
of Violence: The Smart Person’s Guide for Surviving

If you are distressed by anything external the pain is not due to the things itself but your estimate of it.”

when you accept things as they are, it allows you to step into reality

There’s nothing to be done but start to get the most out of what we have left.”