قِلَّةُ الأَكْلِ مِنَ العَفَافِ ، وَكَثْرَتُهُ مِنَ الإسْرَافِ.

Eating little is a sign of self-restraint, and eating a lot is a sign of wastefulness.

Ghurar al-Hikam, no. 6747