Never too old to learn, never too late to turn.
New wine in old bottles.
No cross, no crown.
No garden without its weeds.
No living man all things can.
No man can do two things at once.
No man is born wise or learned.
No man is content.
No man is wise at all times.
None are so blind as those who won‘t see.
None are so deaf as those who won‘t hear.
No news is good news.
No one can call back yesterday.
No pains, no gains.
No pleasure without pain.
No rose without a thorn.
No sweet without sweat.
No smoke without fire.
Nothing brave, nothing have.
Nothing dries sooner than a tear.
Nothing in the world is difficult for one who sets his mind to it.
Nothing is difficult to the man who will try.
Nothing seek, nothing find.
Nothing is so necessary for travelers as languages.
Nothing is to be got without pains but poverty.
Not to advance is to go back.
Not to know what happened before one was born is always to be a child.
No way is impossible to courage.
Obedience is the first duty of a soldier.
Observation is the best teacher.
Offense is the best defense.
Old friends and old wines are best.
Old sin makes new shame.
Once a man and twice a child.
Once a thief, always a thief.
Once bitten, twice shy.
One boy is a boy, two boys half a boy, three boys no boy.
I love you not because of who you are, but because of who I am when I am with you.
No man or woman is worth your tears, and the one who is, won’t make you cry.
The worst way to miss someone is to be sitting right beside them knowing you can’t have them. 失去某人，最糟糕的莫过于，他近在身旁，却犹如远在天边。
Never frown, even when you are sad, because you never know who is falling in love with your smile.
To the world you may be one person, but to one person you may be the world.
Don’t waste your time on a man/woman, who isn’t willing to waste their time on you.
Just because someone doesn’t love you the way you want them to, doesn’t mean they don’t love you with all they have.
Don’t try so hard, the best things come when you least expect them to.
Maybe God wants us to meet a few wrong people before meeting the right one, so that when we finally meet the person, we will know how to be grateful.
Don’t cry because it is over, smile because it happened.