ك َما سَتَشْرَبُ كَمِيَّةً مَحدُودَةً مِنَ الماءِ كُلَّ يَومٍ: سُدْسَ وِعاءٍ تَشرَبُهُ عَلَى فَتَراتٍ.
The water you drink shall be the sixth part of a hin by measure; you shall drink it from time to time.