We cannot deny the facts of nature, but we should certainly try to improve on them.
Keep your broken arm inside your sleeve.
For visions come not to polluted eyes.
There's so much pollution in the air now that if it weren't for our lungs there'd be no place to put it all.
They can conquer who believe they can.
Liberals are very broadminded: they are always willing to give careful consideration to both sides of the same side.
Everybody knows if you are too careful you are so occupied in being careful that you are sure to stumble over something.