If you ever feel lazy or dull, take heart: you're the busiest, brightest thing on the planet.

You´re not perceiving what's out there. You're perceiving whatever your brain tells you.

...you are battered and bruised in the collisions between reminiscence and reality.

Death... The moment, sometime in the future, when your name is spoken for the last time.

A typical neuron makes about ten thousand connections to neighboring neurons. Given the billions of neurons, this means there are as many connections in a single cubic centimeter of brain tissue as there are stars in the Milky Way galaxy.

To a space alien or a German Shepherd dog, two humans would be indistinguishable, just as attractive and unattractive space aliens and German Shepherd dogs are difficult for you to tell apart.

One of the most impressive features of brains - and especially human brains - is the flexibility to learn almost any kind of task that comes its way.