1.   Using quantum theory to understand gravity makes as much sense as trying solve a crossword puzzle with the key to your door.

2.   Berardino replied, saying that Andersen understood the gravity of the acts that had occurred and was prepared to take significant disciplinary action against anyone the government deemed appropriate.

3.   By cutting short his visit to Europe and returning to Israel on Thursday, Netanyahu showed he understands the gravity of the crisis.

4.   He credited them with understanding the gravity of the situation in Florida and the importance of being heard.

5.   He was out on strike, he explained, and wanted me to understand the gravity of what I was doing.

6.   I think Colombians have not understood the gravity of the paramilitary menace.

7.   If confidence is not to plunge, business needs a big rate cut, one that shows that the Fed understands the gravity of the situation.

8.   Last week, his fiancee tearfully told him she had never before understood the gravity of his condition and was afraid.

9.   Sullivan, a veteran heavyweight, would appear to be in over his head but seems to understand the gravity of his situation.

10.   The U.S. Constitution understood the gravity of wrongly convicting someone, which is why its authors built in protections for defendants.