This was a problem in biology, a chance to learn something new, an opportunity for adding to the human race's store of knowledge.

Once you have exhausted your own personal store of knowledge, it's time to talk to the family.

He had not really contributed a great deal to her store of knowledge.

The entire store of human knowledge now doubles every five years.

What amappa should be is a store of knowledge from many people.

I will add to the store of knowledge, and that is a positive thing.

Luckily, the paper doesn't have to rely on my limited store of knowledge.

And always he added to his store of knowledge.

But two hundred years ago, when man went out into space it was to expand his store of knowledge.

I still tried to add to my store of knowledge.