In harmony with the Tao,
the sky is clear and spacious,
the earth is solid and full,
all creatures flourish together,
content with the way they are,
TTC Ch. 39 (12)
Some say that as Zen is admittedly a form of mysticism it cannot claim to be unique in the history of religion. Perhaps so; but Zen is a mysticism of its own order. It is mystical in the sense that the sun shines, that the flower blooms, that I hear at this moment somebody beating the drum in the street. If these are mystical facts, Zen is brim-full of them...
When a Zen master was once asked what Zen was, he replied, "Your everyday thought". Is this not plain and straightforward? It has nothing to do with any sectarian spirit. Christians as well as Buddhists can practise Zen just as big fish and small fish are both contentedly living in the same ocean. Zen is the ocean, Zen is the air, Zen is the mountain, Zen is thunder and lightning, the spring flower, summer heat, and winter snow; nay, more than that, Zen is the man...