“Good advice is a toxic gas for hardhearted's lungs.”

“He thought of the feeling of receiving oxygen from a mask and the calming sensation it brought, partly because of the concentrated gas but partly too because he could hear his muffled lungs expelling their product within the mask, and it reminded him that he was breathing, that the gas was flowing at all times but most importantly at that moment, a constant and essential truth. His lips and lungs and teeth were witness to the passage of breath.”

“My advice is don’t take advice from anybody. This is good advice, and as such, it’s bad advice.”

“Even if toxic people are right about what is "good," they are wrong if the approach is not healthy.”

“So I’m figuring this is death. The little air left in the cockpit is toxic with marthenine, and I can only wonder how much of it I have breathed in. Is my throat becoming raw hamburger? My lungs, oatmeal?”

“It's good advice, but I expect it will be hard to follow; good advice is apt to be, I think.”