Without a struggle, there can be no progress.

Without a struggle, there can be no progress.

Scientific progress consists in the development of new concepts.

Scientific progress consists in the development of new concepts.

None save great men have been the authors of great heresies.

None save great men have been the authors of great heresies.

It is proof of a base and low mind for one to wish to think with the masses or majority, read more

It is proof of a base and low mind for one to wish to think with the masses or majority, merely because the majority is the majority. Truth does not change because it is, or is not, believed by a majority of the people.

Without speculation there is no good and original observation.

Without speculation there is no good and original observation.

Conservatism is sometimes a symptom of sterility. Those who have nothing in them that can grow and develop must cling read more

Conservatism is sometimes a symptom of sterility. Those who have nothing in them that can grow and develop must cling to what they have in beliefs, ideas and possessions. The sterile radical, too, is basically conservative. He is afraid to let go of the ideas and beliefs he picked up in his youth lest his life be seen as empty and wasted.

Every change in conditions will make necessary some change in the use of resources, in the direction and kind of read more

Every change in conditions will make necessary some change in the use of resources, in the direction and kind of human activities, in habits and practices. And each change in the actions of those affected in the first instance will require further adjustments that will gradually extend through the whole of society. Every change thus in a sense creates a "problem" for society, even though no single individual perceives it as such; it is gradually "solved" by the establishment of a new overall adjustment.

The wise man sometimes flees from society from fear of being
bored.

The wise man sometimes flees from society from fear of being
bored.

A doctrine insulates the devout not only against the realities around them but also against their own selves. The fanatical read more

A doctrine insulates the devout not only against the realities around them but also against their own selves. The fanatical believer is not conscious of his envy, malice, pettiness and dishonesty. There is a wall of words between his consciousness and his real self.