Many kinds of processes are at work in the world around us, and they are all superimposed on, and interact with, each other in complicated ways. - Alan Chalmers

The confirmations of novel predictions resulting from bold conjectures are very important in the falsificationist account of the growth of science.

It should be no news to anyone that the perceptual judgements of individuals can be unreliable for a range of reasons. The challenge, in science, is to arrange the observable situation in such a way that the reliance on such judgements is minimised if not eliminated.

Scientists are typically good at making scientific progress, but not particularly good at articulating what the progress consists of.