Survival of the fittest led to "nature red in tooth and claw" and this is not sufficiently wishy-washy for modern scientists.

Education, like everything else, goes in fads, and has the normal human tendency to put up with something bad for just so long, and then rush to the other extreme.

There's many a true word spoken in jest; scientists are abominably solemn; therefore scientists miss many a true word.

Psychologists pay lip service to the scientific method, and use it whenever it is convenient; but when it isn't they make wild leaps of their uncontrolled fancy.

Physical scientists probably deserve the reputation they enjoy for incorruptibility and unswerving devotion to pure truth. The reason for this is that it is not worth while to bribe them.

Physicists, being in no way different from the rest of the population, have short memories for what is inconvenient.

Such instances of the almost infinite unpredictability of man are known to social scientists, but they are no more affected by them than the asylum inmate is by being told that he is not Napoleon.

Psychologists, like other scientists, pride themselves on being extremely modern, and therefore much better than any group of people that ever were before.

Insight is not the same as scientific deduction, but even at that it may be more reliable than statistics.

The dreadful cocksureness that is characteristic of scientists in bulk is not only quite foreign to the spirit of true science, it is not even justified by a superficial view.

[Scientists] define these [terms] in tight phrases which convey a meaning only to those who already understand it.

At no moment in history has a bright young girl with plenty of food and a good constitution perished from too much learning.

The haunting of history is ever present in Barcelona. I see cities as organisms, as living creatures. To me, Madrid is a man and Barcelona is a woman. And it's a woman who's extremely vain.

I should be pleased, I suppose, that Hitler has carried out a revolution on our lines. But they are Germans. So they will end by ruining our idea.

I think people are finally realising that women are interesting and more interesting the older they get. But it's taken a while for that realisation to happen.

Life owes you nothing. You owe yourself everything.

My body was born into the - baptized in the Methodist church, and it will be buried in the Methodist Church. Meanwhile, I have a soul. And my soul cannot be confined to any human institution.

I'd like to write fiction. Perhaps at some stage.

Children use all their wiles to get their way with adults. Adults do the same with children.

You may be exhausted with work, you may even kill yourself, but unless your work is interwoven with love, it is useless. To work without love is slavery.