“It is just like man's vanity and impertinence to call an animal dumb because it is dumb to his dull perceptions. ”

“The same old dumb teachers teaching the same old dumb subjects in the same old dumb school. I seem to be kind of losing interest in everything. At first I thought high school would be fun but it's just dull. Everything's dull. Maybe it's because I'm growing up and life is becoming more blase.”

“We call them dumb animals, and so they are, for they cannot tell us how they feel, but they do not suffer less because they have no words.”

“Military men are just dumb, stupid animals to be used as pawns in foreign policy.”

“When a man is kind to dumb animals, I always say he has got some good in him.”

“In some situations, if you say nothing, you are called dull; if you talk, you are thought impertinent and arrogant. It is hard to know what to do in this case. The question seems to be, whether your vanity or your prudence predominates.”