The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
The pendulum of the mind alternates between sense and nonsense, not between right and wrong.
For there are two distinct sorts of ideas: Those that proceed from the head and those that emanate from the heart.
We think and name in one world, we live and feel in another.
There are two contrary impulses which govern this man's brain-the one sane, and the other eccentric. They alternate at regular intervals.
Subjectivity and objectivity commit a series of assaults on each other during a human life out of which the first one suffers the worse beating.
That extremes beget extremes is an apothegm built on the most profound observation of the human mind.
Everything is bilateral in the domain of thought. Ideas are binary. Janus is the myth of criticism and the symbol of genius. Only God is triangular!