He who has never failed somewhere, that man cannot be great.

He who has never failed somewhere, that man cannot be great.

Marke it welle,There are flowers, and there are weeds-But mostly weeds.

Marke it welle,There are flowers, and there are weeds-But mostly weeds.

...one of the tests of a theory is that, once grasped, it appears self-evident.

...one of the tests of a theory is that, once grasped, it appears self-evident.

Facts do not "speak for themselves." They speak for or against competing theories. Facts divorced from theories or visions are read more

Facts do not "speak for themselves." They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.

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.

Without a struggle, there can be no progress.

Without a struggle, there can be no progress.

There is apparently no surer way of turning a thing into its opposite than by exaggerating it.

There is apparently no surer way of turning a thing into its opposite than by exaggerating it.

If everything's under control, you're going too slow.

If everything's under control, you're going too slow.

Human civilization is not something achieved against nature; it is rather the outcome of the working of the innate qualities read more

Human civilization is not something achieved against nature; it is rather the outcome of the working of the innate qualities of man.