Here’s one from Kodo Sawaki:
The basis of all actions is to follow through to the end. If your mind is absent even just for a moment, you’re no different from a corpse.
(Antaiji: Kodo Sawaki- “To You”, 34)
That might sound like there’s something to be done apart from waking up and falling asleep; Sawaki goes on to say:
“It’s ...