Who's to say, in fact, that the dolphin doesn't have a natural propensity to be the marine equivalent of the dog?

You utilize the natural propensities of the system to make the system even more effective.

His natural propensity to inform, to educate, drove him to become, in the early 1970s, a quiz-master on national television.

To exacerbate this natural propensity much of our cultural education both formal and otherwise is built upon historical knowledge forced on us by others.

But "it is a natural propensity of the human mind to deceive itself", and the economics did not stack up.

The central theme throughout the novel involves the natural human propensity to search for meaning with the constant risk of apophenia.

In the course of this chapter, I have had much to say about just how parents and teachers can capitalize on children's natural propensities.

Aether possessed a natural propensity to move around the centre of the universe in perfect circles.

But how often is the natural propensity to society disturbed or destroyed by the operations of government!

Aside from people's natural propensity to worry about the weather, there are other reasons why it seems worse lately.