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

... probably all the organic beings which have ever lived on this earth have descended from some one primordial form, into which life was first breathed.

The main conclusion here arrived at ... is that man is descended from some less highly organized form.

The normal food of man is vegetable.

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.

A grain in the balance will determine which individual shall live and which shall die - which variety or species shall increase in number, and which shall decrease, or finally become extinct.

The chief distinction in the intellectual powers of the two sexes is shown by mans attaining to a higher eminence, in whatever he takes up, than the woman. Whether deep thought, reason, or imagination or merely the use of the senses and hands.....We may also infer.....The average mental power in man must be above that of woman.