"If I try to continue a broken line of thought, I feel a veritable spiritual nausea, then, almost by chance, I go over to another job, surprised by the freshness of mind and ease with which I overcome …"

"The spread of civilization may be likened to a fire; first, a feeble spark, next a flickering flame, then a mighty blaze, ever increasing in speed and power."

"We build but to tear down. Most of our work and resource is squandered. Our onward march is marked by devastation. Everywhere there is an appalling loss of time, effort and life. A cheerless view, but…"

"Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more."

"Most persons are so absorbed in the contemplation of the outside world that they are wholly oblivious to what is passing on within themselves. The premature death of millions is primarily traceable to…"