Fools make researches and wise men exploit them - that is our earthly way of dealing with the question, and we thank Heaven for an assumed abundance of financially impotent and sufficiently ingenious fools.

The doctrine of the Kingdom of Heaven, which was the main teaching of Jesus, is certainly one of the most revolutionary doctrines that ever stirred and changed human thought.

When the mind grapples with a great and intricate problem, it makes its advances step by step, with but little realization of the gains it has made, until suddenly, with an effect of abrupt illumination, it realizes its victory.

It is not reasonable that those who gamble with men's lives should not stake their own.

By the toll of a billion deaths man has bought his birthright of the earth, and it is his against all comers; it would still be his were the Martians ten times as mighty as they are. For neither do men live nor die in vain.

Yet across the gulf of space, minds that are to our minds as ours are to those of the beasts that perish, intellects vast and cool and unsympathetic, regarded this earth with envious eyes, and slowly and surely drew their plans against us.

Man is the unnatural animal, the rebel child of nature, and more and more does he turn himself against the harsh and fitful hand that reared him.