Besides love and sympathy, animals exhibit other qualities connected with the social instincts which in us would be called moral. - Charles Darwin

It has often and confidently been asserted, that man's origin can never be known: but ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.

It is mere rubbish thinking, at present, of origin of life; one might as well think of origin of matter. —

The earthquake, however, must be to every one a most impressive event: the earth, considered from our earliest childhood as the type of solidity, has oscillated like a thin crust beneath our feet; and in seeing the laboured works of man in a moment overthrown, we feel the insignificance of his boasted power.