Loneliness is my least favorite thing about life. The thing that I'm most worried about is just being alone without anybody to care for or someone who will care for me.
The assumption that nature is all there is, and that nature has been governed by the same rules at all times and places, makes it possible for natural science to be confident that it can explain such things as how life began.
Aeneas carried his aged father on his back from the ruins of Troy and so do we all, whether we like it or not, perhaps even if we have never known them.

