台Taivo A Taiwan Mandarin dictionary

學而不思則罔，思而不學則殆

xuéérbùsīzéwǎng,sīérbùxuézédài

ㄒㄩㄝˊ ㄦˊ ㄅㄨˋ ㄙㄗㄜˊ ㄨㄤˇ , ㄙㄦˊ ㄅㄨˋ ㄒㄩㄝˊ ㄗㄜˊ ㄉㄞˋ

Simplified 学而不思则罔，思而不学则殆

1To learn without thinking is confusing, to think without learning is dangerous (Confucius)

Keep 學而不思則罔，思而不學則殆 and it comes back until you know it.