It is not what we learn in conversation that enriches us. It is the elation that comes of swift contact with tingling currents of thought.

A world of vested interests is not a world which welcomes the disruptive force of candor.

The clear-sighted do not rule the world, but they sustain and console it.

It is difficult to admonish Frenchmen. Their habit of mind is unfavorable to preachment.

An historian without political passions is as rare as a wasp without a sting.

Erudition, like a bloodhound, is a charming thing when held firmly in leash, but it is not so attractive when turned loose upon a defenseless and unerudite public.

Bargaining is essential to the life of the world; but nobody has ever claimed that it is an ennobling process.