self-observation

All this observation and self-observation possibly says something very depressing about how insular and self-obsessing we are.

So far as self-observation throws any light on the matter, this statement appears to be correct.

The most positive science in the world is the empirical self-observation of the thinking soul.

It can only be determined by practised self-consciousness and self-observation, assisted by observation of others.

Upon the ground alone that substance be the object of self-observation, as cause is said to be.

In the adult mind the disturbing influence of self-observation is a matter of notorious moment.