Experience proves that none is so cruel as the disillusioned sentimentalist.

There is no limit to the noble aspirations which the words "my country" may evoke.

Over-population is a phenomenon connected with the survival of the unfit, and it is a mechanism which has created conditions favourable to the survival of the unfit and the elimination of the fit.

Don't get up from the feast of life without paying for your share of it.

A cat can be trusted to purr when she is pleased, which is more than can be said for human beings.

In imperialism nothing fails like success. If the conqueror oppresses his subjects, they will become fanatical patriots, and sooner or later have their revenge; if he treats them well, and governs them for their good, they will multiply faster than their rulers, till they claim their independence.

Nobody is bored when he is trying to make something that is beautiful or to discover something that is true.