Perhaps as good a classification as any of the main types is that of the three lusts distinguished by traditional Christianity - the lust of knowledge, the lust of sensation, and the lust of power.
“I think it's a lovely idea, but it will not pass the Congress. I live in a world of realities. The policy of our country is that we can drill our way to independence. I think that's a march to folly.”
“The future for us is the foreseeable future. The South Asian, however, feels that it is perfectly realistic to think of a 'long time' in terms of thousands of years.”