Meditating deeply upon dharma,
Reach the depth of the source.
Branching streams cannot
Compare to this source!
Sitting alone in great silence
Even though the heavens turn
And the earth is upset,
You will not even wink.

Nyogen Senzaki (1876 CE-1958 CE), Nyogen Senzaki was a Rinzai Zen monk who was one of the 20th century's leading proponents of Zen Buddhism in the United States.