The sort of dependence that results from exchange, i.e., from commercial transactions, is a reciprocal dependence. We cannot be dependent read more

The sort of dependence that results from exchange, i.e., from commercial transactions, is a reciprocal dependence. We cannot be dependent upon a foreigner without his being dependent on us. Now, this is what constitutes the very essence of society. To sever natural interrelations is not to make oneself independent, but to isolate oneself completely.

In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only read more

In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity.

Whenever there is a conflict between human rights and property rights, human rights must prevail

Whenever there is a conflict between human rights and property rights, human rights must prevail

Under normal conditions the research scientist is not an innovator but a solver of puzzles, and the puzzles upon which read more

Under normal conditions the research scientist is not an innovator but a solver of puzzles, and the puzzles upon which he concentrates are just those which he believes can be both stated and solved within the existing scientific tradition.

Problems are only opportunities in work clothes.

Problems are only opportunities in work clothes.

...in the course of the last century science has become so dizzy with its successes, that it has forgotten to read more

...in the course of the last century science has become so dizzy with its successes, that it has forgotten to ask the pertinent questions- or refused to ask them under the pretext that they are meaningless, and in any case not the scientists concern.

Specialization is for insects.

Specialization is for insects.

The theory of evolution must be considered as a scientific theory, as theory, that is, proposed to explain or systemize read more

The theory of evolution must be considered as a scientific theory, as theory, that is, proposed to explain or systemize a set of facts, and that no one has any claim to be considered as a serious rival to Darwin in the "discovery" of this theory who did not conduct his evolutionary studies upon a reasonably wide basis of facts. To have ideas, apercus, is not enough, and it is the overevalutation of such clever but uncontrolled guesses which is apt to produce the ludicrous fallacy of combination, in which fragments of the final theory are collected from widely scattered sources and are combined in such a way as to impugn the originality of him who was the first to see how such a synthesis was possible.

All mass movements generate in their adherents a readiness to die and a proclivity for united action; all of them, read more

All mass movements generate in their adherents a readiness to die and a proclivity for united action; all of them, irrespective of the doctrine they preach and the program they project, breed fanaticism, enthusiasm, fervent hope, hatred and intolerance; all of them are capable of releasing a powerful flow of activity in certain departments of life; all of them demand blind faith and singlehearted allegiance.