It is a perplexing and unpleasant truth that when men already have "something worth fighting for," they do not feel read more

It is a perplexing and unpleasant truth that when men already have "something worth fighting for," they do not feel like fighting.

Without speculation there is no good and original observation.

Without speculation there is no good and original observation.

He who does not bellow out the truth when he knows the truth makes himself the accomplice of liars and read more

He who does not bellow out the truth when he knows the truth makes himself the accomplice of liars and forgers.

...anyone who writes about "Darwin's theory of evolution" in the singular, without segregating the theories of gradual evolution, common descent, read more

...anyone who writes about "Darwin's theory of evolution" in the singular, without segregating the theories of gradual evolution, common descent, speciation, and the mechanism of natural selection, will be quite unable to discuss the subject competently.

It is against the grain of modern education to teach children to program. What fun is there in making plans, read more

It is against the grain of modern education to teach children to program. What fun is there in making plans, acquiring discipline in organizing thoughts, devoting attention to detail, and learning to be self-critical?

The pen is the tongue of the mind.

The pen is the tongue of the mind.

The human race, to which so many of my readers belong, has been playing at children's games from the beginning, read more

The human race, to which so many of my readers belong, has been playing at children's games from the beginning, and will probably do it till the end, which is a nuisance for the few people who grow up. And one of the games to which it is most attached is called, ''Keep tomorrow dark,'' and which is also named (by the rustics in Shropshire, I have no doubt) ''Cheat the Prophet.'' The players listen very carefully and respectfully to all that the clever men have to say about what is to happen in the next generation. The players then wait until all the clever men are dead, and bury them nicely. Then they go and do something else. That is all. For a race of simple tastes, however, it is great fun.

Never do today what you can put off till tomorrow if tomorrow might improve the odds.

Never do today what you can put off till tomorrow if tomorrow might improve the odds.

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because read more

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die out, and a new generation grows up that is familiar with it.