At breakfast that morning I had been struck by the lively distance of its colours. But that was no longer the point. I was not looking now at an unus… - Aldous Huxley

Mescalin opens up the way of Mary, but shuts the door on that of Martha.

That so many of the well fed young television-watchers in the world's most powerful democracy should be so completely indifferent to the idea of self-government, so blankly uninterested in freedom of thought and the right to dissent, is distressing, but not too surprising. "Free as a bird", we say, and envy the winged creatures for their power of unrestricted movement in all the three dimensions. But alas, we forget the dodo. Any bird that has learned how to grub up a good living without being compelled to use its wings will soon renounce the privilege of flight and remain forever grounded.

But the man who comes back through the Door in the Wall will never be quite the same as the man who went out. He will be wiser but less cocksure, happier but less self-satisfied, humbler in acknowledging his ignorance yet better equipped to understand the relationship of words to things, of systematic reasoning to the unfathomable Mystery which it tries, forever vainly, to comprehend.