I'm reminded of a female patient who was particularly aroused by the shape of her husband's shoulder. And this hint of perversion should ideally remain a secret for both partners.

There will be other forms in addition to our classic marriage. One is already looming on the horizon: polyamory, or having more than one intimate partner.

Sexual desire declines after four to seven years. That's been proven.

The traits of our sexual culture are still speechlessness, loneliness, violence and not enough desire and love.

When it comes to sexuality, people like to tell lies. It's only when it comes to money that they lie more.

Fantasies have to remain dirty. Cleanliness, scrupulousness and rationality are poison for eroticism.

The sexual revolution produced cultural convulsions that were unparalleled in the 20th century.

I will always be referred to as a theorist, but I was only a fellow traveller with a degree.

We are all potential murderers, and we are all potential rapists and abusers.

Most pornographic images are simply too repulsive.

For people who are desperate and searching, sexuality on the Internet offers an incredible release.

The word 'choice' is a fraud while people choose only what they have been taught to choose.

I think you will find that, if you continue to write fiction, every character you create is partly you.

If the government regulates against use of drones or stem cells or artificial intelligence, all that means is that the work and the research leave the borders of that country and go someplace else.

Gratefulness is the inner gesture of giving meaning to our life by receiving life as gift.

War is about remaking the world to suit the whims of some powerful group over the whims of some other powerful group. The dead are just the sparks that fly from the metal as they grind it down.

There's someone out there who needs you. You must live your life so that person can find you.

People are so constituted that everybody would rather undertake what they see others do, whether they have an aptitude for it or not.

No one should voluntarily remain in an environment which prevents his development.

I didn't read the book on how to be a well-adjusted celebrity.

The Devil deserves zero tolerance.