A prostitute who sells her body (temporarily) is vastly more honorable than someone who sells his opinion for promotion or job tenure. - Nassim Nicholas Taleb

Education makes the wise slightly wiser, but it makes the fool vastly more dangerous.

It took 5 volumes to get the main point: "The main thread is that while there is inordinate uncertainty about what is going on, there is great certainty about what one should do about it."

Another way to view it: the iatrogenics is in the patient, not in the treatment. If the patient is close to death, all speculative treatments should be encouraged — no holds barred. Conversely, if the patient is near healthy, then Mother Nature should be the doctor.