I take up the standpoint that the tendency to aggression is an innate, independent, instinctual disposition in man, and I come back now to the statement that it constitutes the most powerful obstacle to culture.

Only a rebuke that 'has something in it' will sting, will have the power to stir our feelings, not the other sort, as we know.

Love is a state of temporary psychosis.

The genitals themselves have not undergone the development of the rest of the human form in the direction of beauty.

I cannot face the idea of life without work. What would one do when ideas failed or words refused to come? It is impossible not to shudder at the thought.

What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.

Civilized society is perpetually menaced with disintegration through this primary hostility of men towards one another.