It is infinitely better to transplant a heart than to bury it to be devoured by worms.
I don't believe medical discoveries are doing much to advance human life. As fast as we create ways to extend it we are inventing ways to shorten it.
On Saturday, I was a surgeon in South Africa, very little known. On Monday, I was world renowned.
If the poor overweight jogger only knew how far he had to run to work off the calories in a crust of bread he might find it better in terms of pound per mile to go to a massage parlor.
The prime goal is to alleviate suffering, and not to prolong life. And if your treatment does not alleviate suffering, but only prolongs life, that treatment should be stopped.