Health is the soul that animates all the enjoyments of life, which fade and are tasteless without it.

It is a mania shared by philosophers of all ages to deny what exists and to explain what does not exist.

The math is dead simple: it seems that the frequency of planets able to support life is roughly one percent. In other words, a billion or more such worlds exist in our galaxy alone. That's a lot of acreage, and it takes industrial-strength credulity to believe it's all bleakly barren.

The revelation of thought takes men out of servitude into freedom.

A consumer doesn't take anything away: he doesn't actually consume anything. Giving the same thing to a thousand consumers is not really any more expensive than giving it to just one.