desire to know
lust for learning
thirst for knowledge

Nor, in truth, did I have any desire to know it.

Soon she expressed a desire to know something of figures.

I had not the least idea who our neighbour might be, and no desire to know.

For the moment he had no desire to know what it was.

He had no desire to know the man's real name or background.

Religion's based on a desire to know what's going to happen in the future.

But once the names for a few of the basic plants are learned, the desire to know more comes naturally.

With the return of emotions I felt a desire to know if my world would ever exist.

But the desire to know the truth burned in her.

It was rather a desire to know where I would be to satisfy some purpose of her own.