You could argue that war is always an irrational act, and yet many states enter into military conflict out of rational calculation or national interest or the stability or longevity of their regime. ↗
If you are miserable and ill, I can understand why you would not want to live a long time. But if you are happy and productive, why not? Why should people have to grow old and die? ↗
A stricken tree, a living thing, so beautiful, so dignified, so admirable in its potential longevity, is, next to man, perhaps the most touching of wounded objects. ↗
I believe that parents need to make nutrition education a priority in their home environment. It's crucial for good health and longevity to instill in your children sound eating habits from an early age. ↗
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. ↗