Why do some die and some live? The answer was clearly, that on the whole the best fitted live. From the effects of disease the most healthy escaped; ….

In less than eight years "The Origin of Species" has produced conviction in the minds of a majority of the most eminent living men of science. New fa….

Good people are seldom fully recognised during their lifetimes, and here, there are serious problems of corruption. One day it will be realised that ….

Philosophy is regarded by many as inseparable from speculation. ... Philosophy has proceeded from speculation to science..

Electricity is but yet a new agent for the arts and manufactures, and, doubtless, generations unborn will regard with interest this century, in which….

The laws of physics and chemistry must be the same in a crucible as in the larger laboratory of Nature..

There is a tendency to consider anything in human behavior that is unusual, not well known, or not well understood, as neurotic, psychopathic, immatu….

Our purpose is to be able to measure the intellectual capacity of a child who is brought to us in order to know whether he is normal or retarded. ...….

I'm just taking one match at a time..

There's no image we can't improve..

Strange as it may sound, the power of mathematics rests on its evasion of all unnecessary thought and on its wonderful saving of mental operations..

It is not possible for form to do without matter because it is not separable, nor can matter itself be purged of form..

The History of Evolution is the real source of light in the investigation of organic bodies. It is applicable at every step, and all our ideas of the….

To say that there is a soul in stones simply in order to account for their production is unsatisfactory: for their production is not like the reprodu….

Mathematics may, like poetry or music, "promote and sustain a lofty habit of mind.".

Sometimes one has to say difficult things, but one ought to say them as simply as one knows how..

In this acausal world, scientists are helpless. Their predictions become postdictions- Their equations become justifications, their logic, illogic. S….

Evidence of this [transformation of animals into fossils] is that parts of aquatic animals and perhaps of naval gear are found in rock in hollows on ….

A year spent in artificial intelligence is enough to make one believe in God..

It's cool that you found somebody that you trust..

Own nothing, control everything..