13 Quotes by Alan Leshner

Just because they call it a theory doesn't make it a scientific theory. The concept of an intelligent designer is not a scientifically testable assertion.

Just because they call it a theory doesn't make it a scientific theory, ... The concept of an intelligent designer is not a scientifically testable assertion.

We know way too little about all those variables.

We are not rolling over on this. It's too important to the nation and to the nation's children.

We're collectively mounting this effort in order to try and fend off what could become another public health crisis in this country.

Evolution is far more than a belief or an educated guess about how people came to be as they are. It is, in fact, the product of converging evidence from many, many different fields of science. Many, many thousands of studies that, in fact, have provided a theory, an organizing principal in fact, that describes how humans came to be.

Evolution is an organizing principle and when we call it a theory, we mean it's a theory, we don't mean that it's a belief that someone holds.

There is no such thing as recreational drug use.

We could very easily lose the fragile lead we now have if we don't make the critical investments right now. Everyone else is doing it.