学而不思则罔，思而不学则殆 (學而不思則罔，思而不學則殆) xué ér bù sī zé wǎng, sī ér bù xué zé dài

xué ér bù sī zé wǎng, sī ér bù xué zé dài phrase To learn without thinking is confusing, to think without learning is dangerous (Confucius)
Domain: Literary Chinese 文言文
Notes: (CC-CEDICT '學而不思則罔，思而不學則殆')