Yet, sadly, accidental rudeness occurs alarmingly often. Best to say nothing at all, my dear man.
If you expect to succeed as a writer, rudeness should be the second-to-least of your concerns. The least of all should be polite society and what it expects. If you intend to write as truthfully as you can, your days as a member of polite society are numbered, anyway.
Vanity and rudeness are seldom seen together.
Straight-forwardness, without the rules of propriety, becomes rudeness.
Love, patience, and meekness can be just as contagious as rudeness and crudeness.
This must be the legendary Yankee rudeness
I've been to L.A. before, and I love the sunshine and the fact that people seem so genuinely nice and pleased to see you - which is so different from London. Maybe I'll end up so tired of smiles and helpfulness that I'll long for the rudeness and cynicism of home.
[The Germans] so easily confuse obstinacy with energy, and rudeness with firmness.
No one is more insufferable than he who lacks basic courtesy.
Children are capable of such open rudeness.