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Ignorance is the curse of God; knowledge is the wing wherewith we fly to heaven.

Ignorance is the soil in which belief in miracles grows.

It is in his knowledge that man has found his greatness and his happiness, the high superiority which he holds over the other animals who inhabit the earth with him, and consequently no ignorance is probably without loss to him, no error without evil.

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

We cannot know the whole truth, which belongs to God alone, but our task nevertheless is to seek to know what is true. And if we offend gravely enough against what we know to be true, as by failing badly enough to deal affectionately and responsibly with our land and our neighbors, truth will retaliate with ugliness, poverty, and disease.

God is therefore unknowable. This is the fundamental premise of the Bible.

It is impossible to make people understand their ignorance, for it requires knowledge to perceive it; and, therefore, he that can perceive it hath it not.

It is not ignorance but knowledge which is the mother of wonder.

Even knowledge has to be in the fashion, and where it is not, it is wise to affect ignorance.

Not engaging in ignorance is wisdom.