Satan's whole concern is to convince man that God does not care about him. Isaac the Syrian
People do not care how nobly they live, only how long, despite the fact that it is within everyone's reach to live nobly, but within no one's reach to live long. Seneca
God does not care about our mathematical difficulties. He integrates empirically. Albert Einstein
The moon does not care if the dog barks at it. Czech Proverb
When the sun shines on thee, thou needest not care for the moon. Italian Proverb
We do not care of what we have, but we cry when it is lost. Russian Proverb