The well-meaning contention that all ideas have equal merit seems to me little different from the disastrous contention that no ideas have any merit.

There are many hypotheses in science which are wrong. That’s perfectly all right: it’s the aperture to finding out what’s right. Science is a self-correcting process.

We are star stuff which has taken its destiny into its own hands. The loom of time and space works the most astonishing transformations of matter.

Recent research shows that many children without enough to eat wind up with diminished capacity to understand and learn (“cognitive impairment” ). Children don't have to be starving for this to happen. Even mild undernourishment — the kind most common among poor people in America — can do it.

When permitted to listen to alternative opinions and engage in substantive debate, people have been known to change their minds. It can happen.

I would suggest that science is, at least in my part, informed worship.

There is never only ONE of anything in nature.