Whoever is led to believe that species are mutable will do good service by conscientiously expressing his conviction; for only thus can the load of prejudice by which this subject is overwhelmed be removed.

I see no good reasons why the views given in this volume should shock the religious views of anyone.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.

That there is much suffering in the world no one disputes. Which is more likely, that pain and evil are the result of an all-powerful and good God, or the product of uncaring natural forces? The presence of much suffering agrees well with the view that all organic beings have been developed through variation and natural selection.

I tend to approach things from a physics framework. And physics teaches you to reason from first principles rather than by analogy.

The amount of energy required to make hydrogen and turn it into liquid form is staggering. It is the most dumb thing that I could possibly imagine for energy storage.