| 1 | He has rounded into his eighth decade. | |
| 2 | DANIEL YERGIN: It was only when Hayek was a very old man that his ideas began to prevail and the world began to change. | |
| 3 | The other surviving members of the clan are pushing 80 or well beyond it. | |
| 4 | Medical advances mean that many people who once would have died young now live to a ripe old age. | |
| 5 | But we must never forget that Mamma, in spite of her wonderful vitality, is a very old woman. |