Those who in principle oppose birth control are either incapable of arithmetic or else in favour of war, pestilence and famine as permanent features of human life.
Undoubtedly the desire for food has been and still is one of the main causes of political events.
It is impossible to read in America, except on a train, because of the telephone. Everyone has a telephone, and it rings all day and most of the night.
One of the troubles about vanity is that it grows with what it feeds on. The more you are talked about, the more you will wish to be talked about.
It is obviously possible that what we call waking life may only be an unusual and persistent nightmare.
Right conduct can never, except by some rare accident, be promoted by ignorance or hindered by knowledge.
Science, in its ultimate ideal, consists of a set of propositions arranged in a hierarchy, the lowest level of the hierarchy being concerned with particular facts, and the highest with some general law, governing everything in the universe. The various levels in the hierarchy have a two-fold logical connection, travelling one up, one down; the upward connection proceeds by induction, the downward by deduction.
Philosophy is that part of science which at present people chose to have opinions about, but which they have no knowledge about. Therefore every advance in knowledge robs philosophy of some problems which formerly it had ...and will belong to science.
Nothing of importance is ever achieved without discipline. I feel myself sometimes not wholly in sympathy with some modern educational theorists, because I think that they underestimate the part that discipline plays. But the discipline you have in your life should be one determined by your own desires and your own needs, not put upon you by society or authority.
In the first place a philosophical proposition must be general. It must not deal specially with things on the surface of the earth, or within the solar system, or with any other portion of space and time. . . . This brings us to a second characteristic of philosophical propositions, namely that they must be a priori. A philosophical proposition must be such as can neither be proved nor disproved by empirical evidence. . . . Philosophy, if what has been said is correct, becomes indistinguishable from logic as that word has now come to be used.
Science tells us what we can know, but what we can know is little, and if we forget how much we cannot know we become insensitive to many things of great importance.
Something of the hermit's temper is an essential element in many forms of excellence, since it enables men to resist the lure of popularity, to pursue important work in spite of general indifference or hostility, and arrive at opinions which are opposed to prevalent errors.
... the whole world of loneliness, poverty, and pain make a mockery of what human life should be.
The reason is, and by rights ought to be, slave to the emotions.
Adventurous men enjoy shipwrecks, mutinies, earthquakes, conflagrations, and all kinds of unpleasant experiences. They say to themselves, for example, 'So this is what an earthquake is like,' and it gives them pleasure to have their knowledge of the world increased by this new item.
I want to say, in all seriousness, that a great deal of harm is being done in the modern world by belief in the virtuousness of WORK, and that the road to happiness and prosperity lies in the organised diminution of work.
Envy ... is one form of a vice, partly moral, partly intellectual, which consists in seeing things never in themselves but only in their relations.
Americans need rest, but do not know it.
A proverb is one man's wit and all men's wisdom.
Philosophy seems to me on the whole a rather hopeless business.
The pleasure of work is open to anyone who can develop some specialised skill, provided that he can get satisfaction from the exercise of his skill without demanding universal applause.
Do not feel certain of anything.
Literature is inexhaustible, with every book a homage to infinity
Frege has the merit of ... finding a third assertion by recognising the world of logic which is neither mental nor physical.
I did not, however, commit suicide, because I wished to know more of mathematics.
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