Intellect is invisible to the man who has none.

A man is responsible for his ignorance.

An ignorant person is one who doesn't know what you have just found out.

An ignorant person is one who is tossed about between elation and despair by external forces and events.

an intelligent man cannot become anything seriously, and it is only the fool who becomes anything.

The ignorant man passes through the world dead to all pleasures, save those of the senses.

To a fool time brings only age not wisdom.

The idiot is indeed the good man, but only because he doesn't know any better.

The man who has no imagination,has no wing

The most hopelessly stupid man is he who is not aware he is wise.

The wise man through an excess of wisdom is made a fool.

His ignorance is encyclopedic.

where ignorance is bliss, ‘tis folly to be wise.

Many much-learned men have no intelligence.