As a historian, he felt it his duty to respect everything that had ever been respected, except for the occasional statesman.

The press is the hired agent of a monied system, and set up for no other purpose than to tell lies where their interests are involved. One can trust nobody and nothing.

Some day science may have the existence of mankind in its power, and the human race commit suicide, by blowing up the world.

Power is poison. Its effect on Presidents had always been tragic.

I tell you the solemn truth, that the doctrine of the Trinity is not so difficult to accept for a working proposition as any one of the axioms of physics.

Mathematicians practice absolute freedom.

The first serious consciousness of Nature's gesture - her attitude towards life-took form then as a phantasm, a nightmare, all insanity of force. For the first time, the stage-scenery of the senses collapsed; the human mind felt itself stripped naked, vibrating in a void of shapeless energies, with resistless mass, colliding, crushing, wasting, and destroying what these same energies had created and labored from eternity to perfect.