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Ignorance is the failure to discriminate between the permanent and the impermanent, the pure and the impure, bliss and suffering, the Self and the non-Self.

Ignorance can be improved; willful ignorance and inaction is inexcusable.

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

Entire ignorance is not so terrible or extreme an evil, and is far from being the greatest of all; too much cleverness and too much learning, accompanied with ill bringing-up, are far more fatal.

Ignorance has always been the weapon of tyrants; enlightenment the salvation of the free.

The highest form of ignorance is when you reject something you don't know anything about.

Ignorance of all things is an evil neither terrible nor excessive, nor yet the greatest of all; but great cleverness and much learning, if they be accompanied by a bad training, are a much greater misfortune.

Ignorance is a menace to peace.

The realization of ignorance is the first act of knowing.