He had always known what I ...

He had always known what I did not know and what, when I learned it, I was always able to forget. But I did not know that then, although I learned it later.
He had always known what I did not know and what, when I learned it, I was always able to forget. But I did not know that then, although I learned it later.

More phrases

I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times, I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed.
I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.
Government of the people, by the people, for the people, shall not perish from the Earth.
The ballot is stronger than the bullet.
In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

Quotes from the same author

Never mistake motion for action.
But man is not made for defeat. A man can be destroyed but not defeated.
I used to play cello. My mother kept me out of school a whole year to study music and counterpoint. She thought I had ability, but I was absolutely without talent.
Cowardice, as distinguished from panic, is almost always simply a lack of ability to suspend the functioning of the imagination. Learning to suspend your imagination and live completely in the very second of the present with no before and no after is the greatest gift a soldier can acquire.
Worry destroys the ability to write. Ill health is bad in the ratio that it produces worry which attacks your subconscious and destroys your reserves.