Science is knowledge arranged and classified according to truth, facts, and the general laws of nature.

The passionate controversies of one era are viewed as sterile preoccupations by another, for knowledge alters what we seek as well as what we find.

Technical knowledge has now become an integral aspect of the Iranian psyche.

If the past has been an obstacle and a burden, knowledge of the past is the safest and the surest emancipation.

The auditory perception is not sufficient for our knowledge of the world it does not have vastness.