2 sentences

1. 学而时习之，不亦说乎？

   xué ér shí xí zhī, bù yì yuè hū?

   Is it not a pleasure to learn and practice what you have learned from time to time?

   Source: Dong Chinese Dictionary

2. 子曰：学而时习之，不亦说乎？

   zǐ yuē: xué ér shí xí zhī, bù yì yuè hū?

   Confucius said: 'To learn and practice what you have learned at the right time—is it not a pleasure?'

   Source: Dong Chinese Dictionary