expression
some are wise and some are otherwise
Proverb meaning that in any large group, there are both perceptive and unperceptive people. Literally 'one thousand blind, one thousand with eyes open'. The term 盲 is now considered sensitive and discriminatory, so the proverb is rarely used today.
See also: 目明き千人盲千人
「盲千人目明き千人」ということわざは、世の中には賢い人もいればそうでない人もいるという意味だ。
The proverb '盲千人目明き千人' means that in this world, there are both wise people and unwise people.
A variant of the same proverb with the order of the two groups reversed; meaning is essentially the same.
A traditional Japanese proverb. The exact origin is uncertain, but it likely arose from folk wisdom about the diversity of human perception and judgment.