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

Facts do not cease to exist because they are ignored.

Discussion is an exchange of knowledge; argument an exchange of ignorance.

Men are born ignorant, not stupid; they are made stupid by education.

Obscenity is what happens to shock some elderly and ignorant magistrate.

The ignorance of one voter in a democracy impairs the security of all.

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

The only victories which leave no regret are those which are gained over ignorance.

Where ignorance is our master, there is no possibility of real peace.