I cannot think of any need in childhood as strong as the need for a father's protection.

No neurotic harbors thoughts of suicide which are not murderous impulses against others redirected upon himself.

A woman should soften but not weaken a man.

What decides the purpose of life is simply the programme of the pleasure principle. This principle dominates the operation of the mental apparatus from the start. There can be no doubt about its efficacy, and yet its programme is at loggerheads with the whole world, with the macrocosm as much as with the microcosm.

I have found little 'good' about human beings. In my experience, most of them are trash.

I prefer the company of animals more than the company of humans. Certainly, a wild animal is cruel. But to be merciless is the privilege of civilized humans.

As regards intellectual work it remains a fact, indeed, that great decisions in the realm of thought and momentous discoveries and solutions of problems are only possible to an individual, working in solitude.