Man must have results, real results, in his inner and outer life. I do not mean the results which modern people strive after in their attempts at self-development. These are not results, but only rearrangements of psychic material, a process the Buddhists call 'samsara' and which our Holy Bible calls 'dust'.

The indestructible question: essays on nature, spirit, and the human paradox (ed. Penguin Books, 1994)