وَقَالَ (عليه السلام):
Amir al-mu'minin, peace be upon him, said:
كُلُّ وِعَاءٍ يَضِيقُ
Every container gets narrower
بِمَا جُعِلَ فِيهِ
according to what is placed in it
إِلاَّ وِعَاءَ الْعِلْمِ،
except the container of knowledge
فَإِنَّهُ يَتَّسِعُ.
which expands instead.