A parent gives life, but as parent, gives no more. A murderer takes life, but his deed stops there. A teacher affects eternity; he can never tell whe….

[P]olitical and social and scientific values ... should be correlated in some relation of movement that could be expressed in mathematics, nor did on….

Politics is simply the organization of hatreds..

The American President resembles the commander of a ship at sea. He must have a helm to grasp, a course to steer, a port to seek..

Laplace would have found it child's-play to fix a ratio of progression in mathematical science between Descartes, Leibnitz, Newton and himself.

An American Virgin would never dare command; an American Venus would never dare exist..

A friend in power is a friend lost..

The mind resorts to reason for want of training..

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….

Henry James chews more than he bites off..

If I grapple with sin in my own strength, the devil knows he may go to sleep..

Susceptibility to the highest forces is the highest genius..

At best, the renewal of broken relations is a nervous matter..

You say that love is nonsense. I tell you it is no such thing. For weeks and months it is a steady physical pain, an ache about the heart, never leav….

It is now conceded that all idea of British intervention is at an end... I want to hug the army of the Potomac. I want to get the whole army of Vicks….

Simplicity is the most deceitful mistress that ever betrayed man..

Every man should have a fair-sized cemetary in which to bury the faults of his friends..

Teachers affect eternity; no one can tell where their influence stops..

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

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 ….

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 t….