[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 dàiㄒㄩㄝˊ ㄦˊ ㄅㄨˋ ㄙ ㄗㄜˊ ㄨㄤˇ, ㄙ ㄦˊ ㄅㄨˋ ㄒㄩㄝˊ ㄗㄜˊ ㄉㄞˋ] To learn without thinking is blindness; to think without learning is idleness (Confucius).; Learning without reasoning leads to confusion; thinking without learning is wasted effort.
[知彼知己,百战不殆 / 知彼知己,百戰不殆, zhī bǐ zhī jǐ, bǎi zhàn bù dàiㄓ ㄅㄧˇ ㄓ ㄐㄧˇ, ㄅㄞˇ ㄓㄢˋ ㄅㄨˋ ㄉㄞˋ] Knowing the enemy and yourself will get you unscathed through a hundred battles (成语 saw, from Sunzi's Art of War).
Japanese-Thai: Longdo Dictionary (UNAPPROVED version -- use with care ) Longdo Unapproved JP-TH **ระวัง คำแปลอาจมีข้อผิดพลาด**