and deliverance from darkness into light can only come through what is understood and whose meaning is known. What cannot be understood cannot bring anyone out of darkness into light.

The fourth is His saying, Most High:

“Reflect upon the word.” [al-Mu’minūn 68]

One can reflect upon the word only if it can be known and understood.

The fifth is His saying, Most High:

“Alif Lām Rā. These are the verses of the clear Book (1). Indeed, We have sent it down as an Arabic Quran so that you may understand (2).” [Yūsuf 1–2]

It can only be clear—whether this means clear in itself or making other things clear—if it can be known and understood, and its meaning can be known.

The sixth is His saying, Most High:

“When you do not bring them a sign, they say, ‘Why have you not contrived one?’ Say, ‘I only follow what is revealed to me from my Lord. This is clear evidence from your Lord, and guidance and mercy for people who believe (203).’” [al-A‘rāf 203]

The seventh is His saying, Most High:

“This is clear evidence from your Lord, and guidance and mercy for people who believe (203).” [al-A‘rāf 203]

And His saying, Most High:

“Clear evidence has come to you from your Lord. Whoever sees does so for his own benefit, and whoever is blind bears the consequences himself.” [al-An‘ām 104]

Basā’ir is the plural of basīrah, meaning proofs