My wish is to construct a system of sociology on the model of celestial mechanics, physics, and chemistry.

The intent of sincere humanitarians is to do good to society, just as the intent of the child who kills a bird by to much fondling is to do good to the bird.

Give me a fruitful error any time, full of seeds, bursting with its own corrections. You can keep your sterile truth for yourself.

Theories of "natural law" and the "law of nations" are another excellent example of discussions destitute of all exactness. [...] "Natural law" is simply that law of which the person using the phrase approves[....]

Men follow their sentiments and their self-interest, but it pleases them to imagine that they follow reason. And so they look for, and always find, some theory which, a posteriori, makes their actions appear to be logical. If that theory could be demolished scientifically, the only result would be that another theory would be substituted for the first one, and for the same purpose.

If you're Noah, and your ark is about to sink, look for the elephants first, because you can throw over a bunch of cats, dogs, squirrels, and everything else that is just a small animal and your ark will keep sinking. But if you can find one elephant to get overboard, you're in much better shape.

There are some people who imagine that they can disarm their enemy by complacent flattery. They are wrong. The world has always belonged to the stronger and will belong to them for many years to come. Men only respect those who make themselves respected. Whoever becomes a lamb will find a wolf to eat him.