Indecency, vulgarity, obscenity - these are strictly confined to man; he invented them. Among the higher animals there is no trace of them. They hide nothing. They are not ashamed.

Don't part with your illusions. When they are gone, you may still exist, but you have ceased to live.

Always obey your parents. When they are present. This is the best policy in the long run. Because if you don't, they will make you. Most parents think they know better than you do, and you can generally make more by humoring that superstition than you can by acting on your own better judgment.

When everyone is looking for gold, it's a good time to be in the pick and shovel business.

There is nothing in the world like a persuasive speech to fuddle the mental apparatus and upset the convictions and debauch the emotions of an audience not practiced in the tricks and delusions of oratory

If you had made the acquiring of ignorance the study of your life, you could not have graduated with higher honor than you could to-day.

Human beings can be awful cruel to one another.