She was not certain that anyone else could truly understand her motives.

It's not hard to predict people's actions if you understand their motives.

People understand her motives and see that she has no hidden agenda.

He could understand Kirk's motives: they were no different from his own.

We never fully understand other people's motives in real life.

If we're going to have a deal, I need to understand her motives.

Don't you ever try to look yourself in the face and understand your own motives?

"Then I am at a loss to understand my position, and your motives."

At least I can understand their motives and will know how to deal with them.

Later on, though, it will turn out to be very important in understanding his motives for killing.