Mathematics should be mixed not only with physics but with ethics.
The best way to correct a mistake is to make it right.
No man ever followed his genius till it misled him.
The man who does not betake himself at once and desperately to sawing is called a loafer, though he may be knocking at the doors of heaven all the while.
What we need to know in any case is very simple.
He is blessed over all mortals who loses no moment of the passing life in remembering the past