Know most of the rooms of thy native country before thou goest over the threshold thereof.

-Fuller,Thomas
  The Holy and Profane State, bk.2, ch.4,'Of  Travelling'.

   You define your own horror journey, according to your taste. My definition of what makes a journey wholly or partially horrible is boredom. Add discomfort, fatigue, strain in large amounts to get the purest-quality horror, but the kernel is boredom. I offer that as a universal test of travel; boredom, called byanyother name, iswhy you yearn for the first available transport out.But what bores whom?† The threshold of boredom must be like the threshold of pain, different in all of us.

-Gellhorn, Martha Ellis
  Travels with Myself and  Another.

For love is of the valley, come thou down And find him; by the happy threshold, he, Or hand in hand with Plenty in the maize, Or red with spirited purple of the vats, Or foxlike in the vine; nor cares to walk With Death and Morning on the silver horns.

-Tennyson
  The Princess, pt.7, added song, l.184^9.

Whenartcommunicates,a humanexperience isactively offered and actively received.Below this activity threshold there can be no art.

-Williams, Raymond
  The Long Revolution, pt.1, ch.1.