It is simply the fact that, in certain cases of synchronicity, the factor of chance can be practically excluded, and that therefore a causal connection cannot be considered.
Carl Jung
When coincidences pile up in this way, one cannot help being impressed by them—for the greater the number of terms in such a series, the more improbable it becomes.
Carl Jung
The knowledge of the heart is in no book and is not to be found in the mouth of any teacher, but grows out of you like the green seed from the dark earth.