The only thing more expensive than education is ignorance.

The only thing more expensive than education is ignorance.

I am not ashamed to confess I am ignorant of what I do not know

I am not ashamed to confess I am ignorant of what I do not know

Never let your persistence and passion turn into stubbornness and ignorance.

Never let your persistence and passion turn into stubbornness and ignorance.

It was a childish ignorance,
But now 'tis little joy
To know I'm further off from heaven
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It was a childish ignorance,
But now 'tis little joy
To know I'm further off from heaven
Than when I was a boy.

Ignorance is not innocence but sin.

Ignorance is not innocence but sin.

Ignorance never settles a question.

Ignorance never settles a question.

It takes a lot of things to prove you are smart, but only one thing to prove you are ignorant.

It takes a lot of things to prove you are smart, but only one thing to prove you are ignorant.

. . where ignorance is bliss, 'Tis folly to be wise.

. . where ignorance is bliss, 'Tis folly to be wise.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.