Transcendent Wisdom by H.H. the Dalai Lama:
"We need to understand the essential nature of the broad
diversity of phenomena.
if we are obliged to be involved frequently with a
man who exhibits a personality that is true only on the
as well as another basic personality,
it is important for us to know both of them.
To engage in a relationship with this person that does not go
awry, we must know both aspects of his personality.
Likewise, the manifold events in the world are not
non-existent; they do exist.
They are able to help and hurt us--no
further criterion for existence is necessary.
If we do not understand their fundamental mode of
existence, we are liable to be deceived,
just as in the case
of being involved with a person whose basic personality we do