Quote from A Course in Miracles Text Chapter 15 - THE HOLY INSTANT.

T-15.IV.6. The reason this course is simple is that truth is simple. 2 Complexity is of the ego, and is nothing more than the ego's attempt to obscure the obvious. 3 You could live forever in the holy instant, beginning now and reaching to eternity, but for a very simple reason. 4 Do not obscure the simplicity of this reason, for if you do, it will be only because you prefer not to recognize it and not to let it go. 5 The simple reason, simply stated, is this: The holy instant is a time in which you receive and give perfect communication. 6 This means, however, that it is a time in which your mind is open, both to receive and give. 7 It is the recognition that all minds are in communication. 8 It therefore seeks to change nothing, but merely to accept everything.