Man is an imperceptible atom always trying to become one with God.

Young men have a passion for regarding their elders as senile.

As history stands, it is a sort of Chinese play, without end andl without lesson. With these impressions I wrote the last line of my History, asking for a round century before going further.

I firmly believe, that before many centuries more, science will be the master of man. The engines he will have invented will be beyond his strength to control. Someday, science shall have the existence of mankind in its power, and the human race commit suicide by blowing up the world.

One does every day and without a second thought, what at another time would be the event of a year, perhaps of a life.

My favorite figure of the American author is that of a man who breeds a favorite dog, which he throws into the Mississippi River for the pleasure of making a splash. The river does not splash, but it drowns the dog.

If our minds could get hold of one abstract truth, they would be immortal so far as that truth is concerned. My trouble is to find out how we can get hold of the truth at all.