I do have to pick my priorities. Nobody can do everything.

Death is a great tragedy…a profound loss…I don’t accept it…I think people are kidding themselves when they say they are comfortable with death.

Launching a breakthrough idea is like shooting skeet. People's needs change, so you must aim well ahead of the target to hit it.

By the time of the Singularity, there won't be a distinction between humans and technology. This is not because humans will have become what we think of as machines today, but rather machines will have progressed to be like humans and beyond. Technology will be the metaphorical opposable thumb that enables our next step in evolution.

We'll be able to have very intelligent, little robots with computers going inside our bloodstream, keeping us healthy from inside, destroying cancer at the level of one cell.

Doing real world projects is, I think, the best way to learn and also to engage the world and find out what the world is all about.

Humans feel deeply the suffering of their friends and allies and easily discount/dismiss the comparable experience of their enemies.