Courtesy is a science of the highest importance. It is opening a door that we may derive instruction from the example of others, and at the same time enabling us to benefit them ...

Give none offence.

Life is not so short but that there is always time for courtesy.

Love as brethren, be pitiful, be courteous.

The poor useth intreaties; but the rich answereth roughly.

The small courtesies sweeten life; the greater ennoble it.

To speak kindly does not hurt the tongue.

True politeness consists in being easy one's self, and in making every one about one as easy as one can.

We must be as courteous to a man as we are to a picture, which we are willing to give the advantage of a good light.