I expect death to be nothingness and, for removing me from all possible fears of death, I am thankful to atheism.

If you're born in a cubicle and grow up in a corridor, and work in a cell, and vacation in a crowded sun-room, then coming up into the open with nothing but sky over you might just give you a nervous breakdown.

The significant chemicals of living tissue are rickety and unstable, which is exactly what is needed for life.

The human mind works at low efficiency. Twenty percent is the figure usually given. When, momentarily, there is a flash of greater power, it is termed a hunch, or insight, or intuition.

Although we will hate and fight the machines, we will be supplanted anyway, and rightly so, for the intelligent machines to which we will give birth may, better than we, carry on the striving toward the goal of understanding and using the Universe, climbing to heights we ourselves could never aspire to.

It is quite clear that as long as the nations of the world spend most of their energy, money, and emotional strength in quarreling with words and weapons, a true offensive against the common problems that threaten human survival is not very likely. A world government that can channel human efforts in the direction of the great solutions seems desirable, even essential. Naturally, such a world government should be a federal one, with regional and local autonomy safeguarded and with cultural diversity promoted.

I do not fear computers. I fear the lack of them.