"The human tendency is to look at people who got more and feel jealous," he said.

This is a more basic human tendency than many realize.

How slowly goes the exploration of our inner space, and a good thing, too, given the human tendency to solve the wrong problems.

Puzzling as it could sometimes be, this human tendency to trust came in very handy.

In fact, until now, he would have called it a purely human tendency.

It's a natural human tendency to want to see what those indulgences were.

Reciprocity: A strong human tendency to respond to another's action with similar behavior.

But that was a universal human tendency, and in another minute both women were being driven off, a police escort with them as well.

It is a natural human tendency to seek after meaning.

I think it's a human tendency, to protect yourself mentally.