A man over ninety is a great comfort to all his elderly neighbors: he is a picket-guard at the extreme outpost; and the young folks of sixty and seventy feel that the enemy must get by him before he can come near their camp.
- Oliver Wendell Holmes Jr.

Oh, to be 70 again.
- Oliver Wendell Holmes Jr., upon seeing an attractive woman on his 90th birthday.

A man ninety years old was asked to what he attributed his longevity. I reckon, he said, with a twinkle in his eye, it because most nights I went to bed and slept when I should have sat up and worried.
- Garson Kanin