Surah Ghafir Tafseer

And not equal are the blind and those who see; nor are those who believe, and do righteous good deeds, and those who do evil. Little do you remember!

The blind man who cannot see anything is not the same as the sighted man who can see everything as far as his eyesight reaches -- there is a huge difference between them. By the same token, the righteous believers and the immoral disbelievers are not equal.

قَلِيلً مَّا تَتَذَكَّرُونَ

(Little do you remember!),

means, most of the people remember little