Bertrand Russell, at his Nobel Prize Acceptance Speech, pointed out that all human activity is prompted by desire. If you want to know what man will do, you must know the whole system of their desires with their relative strengths.

Humans have some infinite desire...

Acquisitiveness is the desire to possess as much as possible of goods, or the title of goods. 

Regardless of how much you acquire, you will always wish for more.

Many men will happily face impoverishment if they can thereby manage to ruin their rivals.

People desire to be admired. Vanity needs glory for its satisfaction. 

Even from childhood, children are always performing some antic, and demand to be looked at.

Power is insatiable: the vice of energetic men and the strongest drive in the lives of important men. The more power is experienced, the greater the love of power.

In an autocratic regime, the holders of power become more tyrannical when they experience the delights that power br...

From the need to dominate the unknown comes the desires like the pursuit of knowledge and all scientific progress.
How you use this power depends upon the social system and your abilities.

The desire to escape from boredom is very powerful to almost all human beings. 

But a great deal of modern work is sedentary so we most find other means to use our physical energy that produces love of excitement. And nothing is more exciting than a moment of sudden discovery or inv...