There are few things in which we deceive ourselves more than in the esteem we profess to entertain for our firends. It is little better than a piece of quackery. The truth is, we think of them as we please, that is, as they please or displease us.
The church is a sort of hospital for men's souls and as full of quackery as the hospital for their bodies.
Those who condemn the supreme certainty of mathematics feed on confusion, and can never silence the contradictions of the sophistical sciences which lead to eternal quackery.
I am as non-accepting of medical quackery and unscientific approaches as anybody else. I've grown up as a card-carrying scientist, and I know the power of science to answer questions, and for many questions I don't know of anything better than scientific approaches to answer them.
Pessimism: A valuable protection against quackery.