“There are two great rules of life: never tell everything at once.”

I am
Variant: Love says 'I am everything.' Wisdom says 'I am nothing.' Between the two, my life flows.
Source: I Am That
Context: "I find that somehow, by shifting the focus of attention, I become the very thing I look at, and experience the kind of consciousness it has; I become the inner witness of the thing. I call this capacity of entering other focal points of consciousness, love; you may give it any name you like. Love says 'I am everything'. Wisdom says "I am nothing'. Between the two, my life flows. Since at any point of time and space I can be both the subject and the object of experience, I express it by saying that I am both, and neither, and beyond both."

Source: The Hitchhiker's Guide to the Galaxy

From the Pisces Iscariot liner notes.

The Epilogue : Which is the proper ending of all comedies; and heralds, it may be, an afterpiece.
The Cream of the Jest (1917)
Context: I have been telling you, from alpha to omega, what is the one great thing the sigil taught me — that everything in life is miraculous. For the sigil taught me that it rests within the power of each of us to awaken at will from a dragging nightmare of life made up of unimportant tasks and tedious useless little habits, to see life as it really is, and to rejoice in its exquisite wonderfulness. If the sigil were proved to be the top of a tomato-can, it would not alter that big fact, nor my fixed faith. No Harrowby, the common names we call things by do not matter — except to show how very dull we are...

Memorabilia I.4.18
Xenophon

Source: Gather, Darkness! (1950), Chapter 1 (p. 8)

To Leon Goldensohn (13 March 1946). Quoted in "The Nuremberg Interviews" - by Leon Goldensohn, Robert Gellately - History - 2004