What is the original Chinese?

學而不思則罔，思而不學則殆。. Translated from the original Chinese by Spartan Surfers.

學而不思則罔，思而不學則殆

Learning without thinking is lost. Thinking without learning is dangerous.

Confucius, Analects 2.15

What it means

Piling up facts without reflecting on them leaves you confused, and thinking hard with nothing to think about leaves you reckless. Read, then sit with what you read. Each half keeps the other honest.

The source

"Learning without thinking is lost. Thinking without learning is dangerous." Confucius said it in Analects 2.15. Translated from the original Chinese by Spartan Surfers.

"學而不思則罔，思而不學則殆。"

Original Chinese, Analects 2.15. Text read at zh.wikisource.org.

Who said it

Confucius (551-479 BC). Teacher from the state of Lu whose conversations, collected by his students as the Analects, shaped two thousand years of Chinese ethics. He taught that character is built through learning, ritual and honest self-examination.

Questions

What does "Learning without thinking is lost. Thinking without learning is dangerous." mean?: Piling up facts without reflecting on them leaves you confused, and thinking hard with nothing to think about leaves you reckless. Read, then sit with what you read. Each half keeps the other honest.
Who said "Learning without thinking is lost. Thinking without learning is dangerous."?: Confucius (551-479 BC). Source: Analects 2.15.
What is the original Chinese?: 學而不思則罔，思而不學則殆。. Translated from the original Chinese by Spartan Surfers.
Is "Learning without thinking is lost. Thinking without learning is dangerous." on a shirt?: Yes. We print it to order on our tees in 7 illustrated looks, from $44, with free US shipping.

Cite this line

"Learning without thinking is lost. Thinking without learning is dangerous." (Confucius, Analects 2.15, translated by Spartan Surfers). https://spartansurfers.com/quotes/learning-without-thinking-is-lost-thinking-without-learning