We are all erring creatures, and mainly idiots, but God made us so and it is dangerous to criticise.
- Letter to the President of Western Union, New York, 1902
...among human beings jealousy ranks distinctly as a weakness; a trademark of small minds; a property of all small minds, yet a property which even the smallest is ashamed of; and when accused of its possession will lyingly deny it and resent the accusation as an insult.
- Letters from the Earth
The only very marked difference between the average civilized man and the average savage is that the one is gilded and the other is painted.
- Mark Twain's Notebook
Man is the only animal that blushes. Or needs to.
- Following the Equator, Pudd'nhead Wilson's New Calendar
I really like this one-very pertinent to our times.
An inglorious peace is better than a dishonorable war.
- "Glances at History," 1906