“The ultimate foundation of spirituality is the recognition that there can't be such a thing as a purposeful life in a purposeless universe.”

“If you want peace, prepare for ideological war with those who want others to prepare for physical war.”

“If anarchy is chaos, and chaos is war, why wasn't a single war started by anarchists?”

“The world will know peace when the entrepreneur fully masters the art of starving the politician.”

“A philosopher operates with deductions. A sophist operates with paradoxes. A "public intellectual" operates with buzzwords.”

“Individualism turns a band into a society. Collectivism turns society into a mob.”

“The brown paper bag is the only thing civilized man has produced that does not seem out of place in nature.”

“A heart pulsating in harmony with the circulation of sap and the flow of rivers? A body with the rhythms of the earth in its movements? No. Instead: a mind, shut off from the oxygen of alert senses...”

“Have you noticed how dogs sniff at one another when they meet? It seems to be their nature.- Yes; it's a funny habit.- No, it's not funny; you are wrong there. There's nothing funny in nature, howe...”

“Immorality, no less than morality, has at all times found support in religion.”

“Men are more moral than they think and far more immoral than they can imagine.”

“The immoral man always sees the moral man as immoral, just a way for him to justify his immorality.”

“While we are actually subjected to them, the 'moods' and 'spirits' of nature point no morals. Overwhelming gaiety, insupportable grandeur, sombre desolation are flung at you. Make what you can of t...”

“...[N]ature generally in the distribution of her capacities has adapted the means to the end... [so nature's] true destination must be to produce a will, not merely good as a means to something els...”

“Morality is simply the attitude we adopt towards people we personally dislike.”