The Zen Master's Mute Speech

The Zen Master's Silent Lesson

A disciple went to visit the Zen master and asked, “Master, why do I feel that my progress has been slow over the years, and I can’t break through?”

The Zen master smiled and said, “Let me pour you a glass of water!”

He picked up the teapot on the table and poured water into the cup. The cup soon filled, yet the master kept pouring.

The disciple reminded him, “The cup is already full.”

The master replied with a profound look, “Pour a little more; perhaps it will hold even more!”

The disciple laughed, “The cup is full; no matter how much you pour, it can’t hold any more water.”

The master sighed, “You make a good point! It’s not just about pouring water—learning and advancement are the same way, too.”

Hearing this, the disciple felt a sudden jolt and muttered to himself, “Indeed! Life works that way: when the mind is packed with too many things, there’s no room for anything else!”

Seeing the disciple’s dawning insight, the master smiled and said, “Exactly! Many people keep trying to cram more into their minds, thinking that will bring them more. The more they try, the less they receive, because their hearts are already full—how can they take in anything new? If the cup of the mind is filled with distracting thoughts, we fall into mental stagnation, become unable to accept new things, and cannot refresh our insights. The same goes for learning: knowledge evolves rapidly. If we don’t regularly clear out old patterns and welcome fresh perspectives, we’ll never break through our own limitations.”

The heart is like a container with its own capacity. To make room for something new, you must pour out the old. How many distracting thoughts fill your heart? How many beautiful things? Since the mind’s capacity is limited, why not fill it with more beauty and less sorrow and worry?

---

This story illustrates the empty‑cup mindset —originating from the koan “Zen Master Nan‑Yin and the Scholar”:

One day a great scholar came to ask Nan‑Yin about Zen. After they sat down, Nan‑Yin said nothing; he simply offered the scholar tea.

Nan‑Yin lifted the teapot and kept pouring. The tea quickly filled the cup, yet he ignored it and continued, causing the tea to overflow onto the table.

The scholar, watching the tea spill, could not understand what the master was doing and hurriedly intervened, “Master, the tea is already spilling over; please stop!”

Hearing this, Nan‑Yin set the teapot down, looked at the scholar, and said, “Your mind is like this cup, filled with countless views and thoughts. If you don’t empty your cup, how can I teach you Zen?”

A cup that is already full cannot hold more tea, just as a mind clogged with ignorant notions repels new ideas. To grasp truth and gain real insight, one must first discard the myriad distractions, delusions, biases, and preconceptions within.

Nan‑Yin is said to have been a famous Zen master in Japan’s Meiji era, though reliable information is scarce; a thorough investigation would require consulting Japanese sources.

---

A similar story about the empty cup can be found here:

In history, Ming‑zhou’s Feng‑hua County produced two legendary eccentrics: the wandering beggar monk Budai and the reclusive lay practitioner Jing‑ping. Their behavior was bizarre and they often spoke nonsense, yet locals regarded them as enlightened masters.

One day a wealthy young man, curious, decided to visit them to see what “enlightenment” truly looked like. He first found Budai in an alley—a short, rotund figure resembling a ball, sleeping soundly on the ground. The young man invited Budai to a meal and told the waiter, “Give him a little chicken, duck, fish, and meat. Let’s see how he reacts.” Budai clasped his hands reverently and said, “Karma, karma.” He ate, but after each bite he set aside a small portion and tossed it into his sack.

The young man was disappointed. “Is this really a great monk?” He then went to see Jing‑ping, hoping for some real guidance. Arriving at Jing‑ping’s home, he found the layman deep in meditation. Seeing the visitor, Jing‑ping said nothing, lifted a teapot, and began pouring water into his own empty jar. Even when the water overflowed, he kept pouring. The young man exclaimed, “Sir, your jar is full, the tea is spilling—if you pour more, it will all run out!”

Jing‑ping continued, “Is that so?” he asked back, “What about you?” Hearing this, the young man understood, “Ah… indeed, you are a true master; I was so ignorant.” The layman then asked, “How do you interpret this? Tell me.” The young man replied, “Master, you taught me humility—greatness lies in spaciousness, not in pride.”

Note: The empty‑cup mindset is an external expression of the “beginner’s mind” mentioned in The Zen Beginner’s Heart. It seems simple but is actually very hard to cultivate. Returning to zero requires letting go and forgetting, confronting the very nature of humanity.

References

• Zen Master's Silent Lesson
• Zen Koan: Nan‑Yin and the Scholar 
• Nan‑Yin’s Insight on the Physician’s Heart Illness: From Self‑Loss to No‑Self, the Zen Heart 
• Empty Cup, Empty Boat, Empty Basket, Empty Bowl, Empty Bottle
• Broad Vision, Wide Life 
• Fu Sheng: Maintaining an Empty‑Cup Mindset Is the Only Way to Truly Grow

---

Originally written by Ping Xia (平侠) and published in Chinese on Stories. Translated and adapted for DriftSeas with permission.