知っていることと教えることはまったく別だ。の英語

To know is one thing, to teach is another.

Knowing is one thing, teaching quite another.

It is one thing to know and another to teach.

To know is one thing, and quite another to do.

I can only tell you what I know.

He knows nothing, and yet he talks as if he knew everything

He talks as if he knew everything while he knows nothing at all.

A college student ought to know that.

That is different from the remaining balance that I know.

I know one of them but not the other.

I took it for granted that you knew the whole matter.

awareness that one is ignorant

I am blessed if I know it.

I know nothing to the contrary.

One may as well not know a thing at all, as know it but imperfectly.

the state of something being known to everyone

That's common knowledge.

Pretend you don't know anything.

I know nothing to the contrary.

That amounts to a confession of your own ignorance.

To know that we know what we know, and that we do not know what we do not know, that is true knowledge.

As opposed to young people, I know myself.

I know nothing but this.

If only I knew, I would tell you all that I knew.

To put it succinctly, I don't know, and I don't want to know.

There are things you're better off not knowing.

You know a lot of information.

All that I understand is that.

know the ropes

Where ignorance is bliss, 'tis folly to be wise.