The product of mental labor — science — always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.
Bio: Al-Hasan ibn Abi-l-Hasan al-Basri <r;, also known as Hasan al-Basri, was a well-known Muslim preacher, theologian, and scholar of Islam who was born in 642 from Persian parents.