To be ignorant of one's ignorance is the malady of the ignorant.

To be ignorant of one's ignorance is the malady of the ignorant.

When ignorance gets started it knows no bounds

When ignorance gets started it knows no bounds

The opposite of love is not hate, the opposite of love is ignorance.

The opposite of love is not hate, the opposite of love is ignorance.

The only good is knowledge and the only evil is ignorance.

The only good is knowledge and the only evil is ignorance.

Ignorance is the night of the mind, a night without moon or star

Ignorance is the night of the mind, a night without moon or star

Ignorance is not innocence but sin.

Ignorance is not innocence but sin.

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

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

Ignorance is not bliss - it is oblivion

Ignorance is not bliss - it is oblivion

But let a man know that there are things to be known, of which he
is ignorant, and it read more

But let a man know that there are things to be known, of which he
is ignorant, and it is so much carved out of his domain of
universal knowledge.