1 sentence

1. 学习知识应当由浅以入深，不可急于求成。

   xué​xí zhī​shi yīng​dāng yóu qiǎn yǐ rù shēn, bù kě jí​yú​qiú​chéng.

   Learning should progress from the simple to the complex; one must not be too eager for quick results.

   Source: Dong Chinese Dictionary