[Intelligent design] does not provide any natural explanation that can be tested, ... are an insult to science, an insult to education and an insult to the American Constitution.

American children are consistently falling behind those of other nations in their knowledge and understanding of science. We will not be able to close this gap if we substitute ideology for fact in our science classrooms.

Intelligent design is ultimately a science stopper.

Intelligent design is not valid science,

Intelligent design isn't science. It's old theology.

Design has taken the place of what sailing used to be.