“Man never made any material as resilient as the human…
“If you are losing faith in human nature, go out…
“Today, more than ever before, life must be characterized by…
“Humor is by far the most significant activity of the…
“Human beings can alter their lives by altering their attitudes…
“Difficulties are meant to rouse, not discourage. The human spirit…
“Only two things are infinite, the universe and human stupidity,…
“The deepest principle in human nature is the craving to…