The laws expressing the relations between energy and matter are, however, not solely of importance in pure science. They necessarily come first in order ... in the whole record of human experience, and they control, in the last resort, the rise or fall of political systems, the freedom or bondage of nations, the movements of commerce and industry, the origin of wealth and poverty, and the general physical welfare of the race.

The whole profit of the issuance of money has provided the capital of the great banking business as it exists today.

On our plane knowledge and ignorance are the immemorial adversaries.

[The human control of atomic energy could] virtually provide anyone who wanted it with a private sun of his own.

Mankind has always drawn from outside sources of energy. This island was the first to harness coal and steam. But our present sources stand in the ratio of a million to one, compared with any previous sources. The release of atomic energy will change the whole structure of society.

I believe that there have been civilisations in the past that were familiar with atomic energy, and that by misusing it they were totally destroyed.

The energy available for each individual man is his income, and the philosophy which can teach him to be content with penury should be capable of teaching him also the uses of wealth.