Confucius said, “If you learn without thinking, you’ll be lost. If you think without learning, you’ll be in danger.”
Thinking
7.2
Confucius said, “Keeping silent, but thinking. Learning without getting tired. Encouraging others without fatigue. These things aren’t a problem for me.”
12.14
Zizhang asked about good governance.
Confucius replied, “Ponder over it untiringly and do your best to carry it out.”
15.31
Confucius said, “I once spent a whole day without eating and whole night without sleeping in order to think. Useless! Study would have been better.”