Birds of a feather flock together...and poo on your car.
If you can't be kind, at least have the decency to be vague.
Don't assume malice for what stupidity can explain.
The easiest way to find something lost around the house is to buy a replacement.
The real art of conversation is not only to say the right thing at the right time, but also to leave unsaid the wrong thing at the tempting moment.
He who hesitates is probably right.
If you think there is good in everybody, then you haven't met everybody.