Today we don’t attach a lot of symbolism to numbers. A few, mostly superstitious, remnants remain from former ages, such as seeing the number seven as lucky and the number 13 as unlucky. For the most part, for us, numbers are arbitrary.
During the last years of his life, Thomas Merton lived in a hermitage in an attempt to find more solitude in his life. But solitude is a very illusive thing, and he found that it was continually escaping him.