It will soon be possible to transmit wireless messages around the world so simply that any individual can carry and operate his own apparatus.

Of all the endless variety of phenomena which nature presents to our senses, there is none that fills our minds with greater wonder than that inconceivably complex movement which, in its entirety, we designate as human life; Its mysterious origin is veiled in the forever impenetrable mist of the past, its character is rendered incomprehensible by its infinite intricacy, and its destination is hidden in the unfathomable depths of the future... .

It has cost me years of thought to arrive at certain results, by many believed to be unattainable, for which there are now numerous claimants, and the number of these is rapidly increasing, like that of the colonels in the South after the war.

I am credited with being one of the hardest workers and perhaps I am, if thought is the equivalent of labour, for I have devoted to it almost all of my waking hours. But if work is interpreted to be a definite performance in a specified time according to a rigid rule, then I may be the worst of idlers.

In the twenty-first century, the robot will take the place which slave labor occupied in ancient civilization.

The entire Earth will be converted into a huge brain

The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.