It appears to me (whether rightly or wrongly) that direct arguments against Christianity and theism produce hardly any effect on the public; and freedom of thought is best promoted by the gradual illumination of men's minds, which follows from the advance of science.

...he who remains passive when over-whelmed with grief loses his best chance of recovering his elasticity of mind.

It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that which is bad, preserving and adding up all that is good; silently and insensibly working, wherever and whenever opportunity offers, at the improvement of each organic being in relation to its organic and inorganic conditions of life.

I am not apt to follow blindly the lead of other men

It's not the strongest, but the most adaptable that survive.

Building a better mousetrap merely results in smarter mice.

Our descent, then, is the origin of our evil passions!! The devil under form of Baboon is our grandfather.