Orthodoxy is the death of intelligence.

[There are m]oral precepts that we consider really important, such as 'don't pick your nose' or 'don't eat peas with a knife'. There may, for ought I know, be admirable reasons for eating peas with a knife, but . . . early persuasion has made me completely incapable of appreciating them.

Indignation is a submission of our thoughts, but not of our desires.

The Eugenic Society . . . is perpetually bewailing the fact that wage-earners breed faster than middle-class people.

Human nature is so constructed that it gives affection most readily to those who seem least to demand it.

I do not pretend to start with precise questions. I do not think you can start with anything precise. You have to achieve such precision as you can, as you go along.

Machines have altered our way of life, but not our instincts. Consequently, there is maladjustment.