1. Politeness brings civilization, warmth and happiness to everyone. ——No. 4 Peale
2. A person's courtesy is a mirror that reflects his portrait. ——Goethe
3. Being polite is not always a sign of wisdom, but being impolite always makes people suspicious of stupidity. ——Randall
4. It is not difficult for a person with good intentions to express his courtesy to others. ——Rousseau
5. There is an inner courtesy that is connected with love: it produces the most pleasant courtesy in the appearance of behavior. ——Goethe
6. Etiquette is a subtle thing. It is indispensable for people's communication, but it cannot be overestimated. ——Bacon
7. I firmly believe that only moral citizens can pay an acceptable salute to their motherland. ——Rousseau
8. The most appetizing thing at a banquet is the host’s etiquette. ——Shakespeare