Facebook didn't know how successful Zynga would be.
I've come too far, and I don't know how to get back.
No one on this Earth knows how old I am.
We usually can't know how, and we probably should not even ask, how our lives contribute to a better world.
In the ring I can stay until I’m old and gray because I know how to hit and dance away
He who knows how to be content will be content with little.
You never know how much time you'll have.
Life goes by so fast. It's really - and a lot of times things happen so fast you don't know - how should I react.
If you don't know how to meditate at least try to spend some time every day just sitting.
I don't know how people recognize me.
This is Donald Trump. He wants to respond. You know how he is.
I wanted my own words. But the ones I use have been dragged through I don't know how many consciences.
I know I can act. There aren't too many other jobs I know how to do
Them sportswriters don't even know how to put uniforms on, most of 'em.
See, you know how to take the reservation, you just don't know how to hold the reservation and that's really the most important part of the reservation, the holding. Anybody can just take them.
The more I grow, and the older I get, the more I am enjoying my life and know how precious it really is.
If you don't know how to pronounce a word, say it loud!
Even if you don't sing on your tracks, if you know how to sing, it'll probably help you out.
I don't even know how I ended up with the woman that I'm with!
There are a lot of things that people say about Hillary Clinton. But nobody says that she doesn't know how to throw a punch.