Behavior is the outcome of the battle among internal systems.

When people fall in love, there´s period of up to three years during which the zeal and infatuation ride at a peak. The internal signals in the body and breain are literally a love drug. And then it beginds to decline. From this perspective, we are preprogramed to lose interest in a sexual partner after the time required to raise a child has passed - which is, on average, about 4 years.

Everybody knows the power of deadlines - and we all hate them. But their effectiveness is undeniable.

Because vision appears so effortless, we are like fish challenged to understand water.

We don't really understand most of what's happening in the cosmos. Is there any afterlife? Who knows.

Neuroscience over the next 50 years is going to introduce things that are mind-blowing.

Instead of reality being passively recorded by the brain, it is actively constructed by it.