The test of good manners is ...

The test of good manners is to be able to put up pleasantly with bad ones.
 Wendell Willkie

Quotes from the same author

I believe in America because we have great dreams, and because we have the opportunity to make those dreams come true.
 Wendell Willkie
Education is the mother of leadership.
 Wendell Willkie
Free men are the strongest men.
 Wendell Willkie
When we talk of freedom and opportunity for all nations, the mocking paradoxes in our own society become so clear they can no longer be ignored.
 Wendell Willkie
Freedom is an indivisible word. If we want to enjoy it, and fight for it, we must be prepared to extend it to everyone, whether they are rich or poor, whether they agree with us or not, no matter what their race or the color of their skin.
 Wendell Willkie