Friends need not agree in everything or go always together, or have no comparable other friendships of the same intimacy.

Before he sets out, the traveler must possess fixed interests and facilities to be served by travel.

Philosophy is a more intense sort of experience than common life is, just as pure and subtle music, heard in retirement, is something keener and more intense than the howling of storms or the rumble of cities.

By "essence" I understand a universal, of any degree of complexity and definition, which may be given immediately, whether to sense or to thought.... This object of pure sense or pure thought, with no belief superadded, an object inwardly complete and individual, but without external relations or physical status, is what I call an essence.

It takes patience to appreciate domestic bliss; volatile spirits prefer unhappiness.

Advertising is the modern substitute for argument; its function is to make the worse appear the better.

The primary use of conversation is to satisfy the impulse to talk.