There's lots of law these days, but not much justice. Celebrities murder their wives and go free. A mother kills her children, and the news people on TV say she's the victim and want you to send money to her lawyers. When everything's upside down like this, what fool just sits back and thinks justice will prevail?

If you have to pay the bills, and you write something you're not proud of, use a pen-name for that.

When you have dogs, you witness their uncomplaining acceptance of suffering, their bright desire to make the most of life in spite of the limitations of age and disease, their calm awareness of the approaching end when their final hours come. They accept death with a grace that I hope I will one day be brave enough to muster.

A scar is not always a flaw. Sometimes a scar may be redemption inscribed in the flesh, a memorial to something endured, to something lost.

Loss is the hardest thing, I said. But it's also the teacher that's the most difficult to ignore.

There are thousands of proteins in the cells, some of them very large chains of molecules. And the cell doesn't function if one of those chains of molecules isn't there, and you start looking at the complexity of life and the mystery of life, and then start thinking about things like the twenty universal constants, that if any one of them from Plank's minimum to the mass of a proton, if one of them is the tiniest bit off, there would be no life or possibility of it in the universe.

When a knot gets to tight, you can always cut the rope