A Mind Awakened on Its Own, a Spirit Lofty and Clear

People sometimes ask where the name comes from — why Xuan Xin (玄心), and why, when I sign calligraphy, I write Xuan Xin Jushi (玄心居士).

I never gave it a proper answer. Now that Above The Clouds is finished, I think I can.

The Heart

For most of my life I was walking outward. From a spring in the mountains of Sichuan to the county town, to Beijing, across the sea to Singapore, then New York, then Silicon Valley.

When I was young I assumed the direction was up. There was always a higher mountain, a better school, a bigger city, a newer technology — and somewhere above the clouds, perhaps, a cleaner place.

In an office in Guangzhou there was a piece of calligraphy on the wall:

"Above the clouds—no wind or rain."

I loved it. I think I really believed that if you climbed high enough, the weather below could not reach you.

I climbed a long way. I still don't know whether I reached above the clouds. Slowly I understood that the wall had said only half of it:

Above the clouds—no wind or rain.
Deep in the heart lies the way home.

The way home is not a particular hill in Sichuan or a particular house. It is a return to the things that shaped you first — to the deepest part of the heart. That is where the xin (心, heart-mind) in the name comes from.

The Deep

Xuan (玄) is harder to translate. It comes from Laozi — xuan zhi you xuan, zhong miao zhi men, "mystery upon mystery, the gate to all wonders" — and its root sense is far and deep. I like it because it doesn't hurry to give you an answer.

As a boy I turned over stones by the spring looking for crabs, and picked up veined rocks certain there was something inside. Mathematics was the same impulse: what is behind this formula? Programming too — not just making it run, but asking why a system should be organized one way rather than another. In finance, the structure behind the numbers. And in AI, the question finally turned around: if machines can compute, write code, paint, even create, what is left for us?

Followed far enough, the technical question became a human one. A lifetime of reasoning led, of all places, to the heart.

An Old Phrase

The two characters are old. The monk Sengzhao (僧肇), writing in the fifth century about the Indian master Āryadeva, described him as:

玄心独悟，俊气高朗
a profound mind awakened on its own; a spirit fine, lofty, and clear

Xuanxin is the mind that sees through to the hidden principle of things — a mind that is open and unhurried, not bent on gain.

I don't want to turn my name into an exercise in philology. But awakened on its own moved me when I first read it. It doesn't mean understanding more than others. It means that some things no one can understand for you. What success is, what failure is, what loss is, why we want to leave anything behind, why we make this trip at all — there is no answer key.

Emptiness

When I was young I thought a life should keep adding: more books, more knowledge, farther places, bigger work. Somewhere along the way I learned that there is a time to subtract.

The first chapter of the Dao De Jing says of being and non-being: these two emerge together but are named differently; together they are called xuan. What you add and what you take away — Laozi's word for the two at once is the same xuan in my name.

The Brush

The longer I write with a brush, the more I suspect that what makes us human lives in the useless things. Calligraphy doesn't raise throughput or lower latency. It can't stop impermanence. And yet, knowing we will lose everything, we still stop to write a character, draw a line, leave a trace — maybe simply because we can't bear to leave nothing.

So calligraphy, to me, isn't about writing beautifully. It is a place, between black and white, for the things that can't quite be said.

Sengzhao's line has a second half: 俊气高朗 — a spirit fine, lofty, and clear. That is what I reach for with the brush. For example:

Jushi

Jushi (居士) is the old word for a lay practitioner — someone who keeps the practice without leaving home. I haven't left the world, and I have no plans to retreat to the mountains.

Tao Yuanming put it sixteen centuries ago:

I built my hut among the homes of men,

yet hear no clatter of carts and horses.

You ask how this can be?

A mind that is far makes its place remote.

Picking chrysanthemums by the eastern hedge,

at ease, I see the Southern Mountain.

The mountain air is lovely at dusk;

the birds fly home together.

In this there is a true meaning —

I would explain it, but have forgotten the words.

The philosopher Feng Youlan wrote that anyone with the true Wei–Jin fengliu — that cultivated, unforced freedom of spirit — must have xuanxin — a sense of transcendence: going beyond the self, even to selflessness, unconcerned with one's own fortune or misfortune, success or failure, even life and death.

So the ju (居, to dwell) isn't hermitage, and it isn't escape. It is a reminder:

to dwell in the world without taking all of the world's measures as my own.

To work in technology without believing efficiency is everything. To work in finance without believing price is value. To work in AI and still ask what a human being is. To keep moving forward, and to know that one day it will be time to stop.

The Style

In calligraphy and in everything else, I hold myself to one sentence:

The paths differ; the aim is one: reduction over excess, structure over decoration, intention over noise.

By that standard, this post has already said too much.

Closing

As a child I sat by the spring with my feet in the water and my back against a rock, the current running over my feet. Decades later I sit at a computer watching AI write code, and what comes to mind is still that spring.

So if someone asks again what Xuan Xin means: look outward at the world, and inward to find yourself. And Xuan Xin Jushi: walk in the world, and dwell in the heart. Not someone who has already understood — only someone who, by middle age, has learned there are still things worth taking slowly to understand.

The longest road doesn't lead higher. It leads back — to that spring, and to the deepest part of the heart.

— Xuan Xin Jushi