Men have become the tools of their tools.

There is no higher religion than human service. To work for the common good is the greatest creed.

He is great who confers the most benefits.

Self-sacrifice enables us to sacrifice other people without blushing.

Your only obligation in any lifetime is to be true to yourself. Being true to anyone else or anything else is not only impossible, but that mark of a fake messiah.

There is always room for a man of force, and he makes room for many.

No more important duty can be urged upon those who are entering the great theater of life than simple loyalty to their best convictions.

The best lightning rod for your protection is your own spine.

The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.

Thank God men cannot as yet fly and lay waste the sky as well as the earth!