Awake! for Morning in the Bowl of Night
Has flung the Stone that puts the Stars to Flight
And Lo! the Hunter of the East has caught
The Sultan's Turret in a Noose of Light.
Joshu was a ninth-century Zen monk, also known as Chao-chou Ts'ung-shen.
Renowned for his pithy sayings, he became a famous teacher due to the very simple way he spoke. His students said that his lips 'emitted light', meaning that the insight was immediate.