"Everyone thinks that courage is about facing death without flinching. But almost anyone can do that. Almost anyone can hold their breath and not scream for as long as it takes to die. True courage is about facing life without flinching. I don't mean the times when the right path is hard, but glorious at the end. I'm talking about enduring the boredom, the messiness, and the inconvenience of doing what is right."

"In order to learn true humility , it is good for a person to withdraw from the turmoil of the world , for in life either the depressing or the elevating impression is too dominant for a true balance t…"

"All of these victimizations, the enslavement of species by species, of race by race, and of class by class, are aspects of one and the same fundamental fact. They are all exemplifications of the same …"

"What would geometry be without Gauss, mathematical logic without Boole, algebra without Hamilton, analysis without Cauchy?"

"It is perfectly certain that all diseases without exception are preventible, or if not so that they can be so weakened as to do no harm. It is perfectly certain that all accidents are preventible; the…"