When men yield up the privilege of thinking, the last shadow of liberty quits the horizon.

When men yield up the privilege of thinking, the last shadow of liberty quits the horizon.

I'll put that in my considering cap.

I'll put that in my considering cap.

I've known countless people who were reservoirs of learning, yet never had a thought.

I've known countless people who were reservoirs of learning, yet never had a thought.

Thought must be divided against itself before it can come to any knowledge of itself.

Thought must be divided against itself before it can come to any knowledge of itself.

Original thoughts can be understood only in virtue of the
unoriginal elements which they contain.

Original thoughts can be understood only in virtue of the
unoriginal elements which they contain.

Thoughts are the shadows of our feelings - always darker, emptier and simpler.

Thoughts are the shadows of our feelings - always darker, emptier and simpler.

Never express yourself more clearly than you think.

Never express yourself more clearly than you think.

What we think, we become.

What we think, we become.

What exile from himself can flee?
To zones, though more and more remote,
Still, still pursues, where'er read more

What exile from himself can flee?
To zones, though more and more remote,
Still, still pursues, where'er I be,
The blight of life--the demon Thought.