The ignorant person is totally blind he does not appreciate the value of the jewel — Guru Gobind Singh
An ignorant person is, by the very fact of his or her ignorance, a very dangerous person. — Hendrik Willem van Loon
So I think it’s better to say something than not to say anything at all, even to an ignorant person. — Chad Hugo
They who have reasoned ignorantly, or who have aimed at effecting their personal ends — James Fenimore Cooper