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.
One cannot put back the clock.
One eyewitness is better than ten hearsays.
One false move may lose the game.
One good turn deserves another.
One hour today is worth two tomorrow.
One man's fault is other man's lesson.
One never loses anything by politeness.
One swallow does not make a summer.
One's words reflect one's thinking.
Out of debt, out of danger.
Out of office, out of danger.
Out of sight, out of mind.
Patience is the best remedy.
Penny wise, pound foolish.
Plain dealing is praised more than practiced.
Please the eye and plague the heart.
Pleasure comes through toil.
Pour water into a sieve.
Practice makes perfect.
Praise is not pudding.
Praise makes good men better, and bad men worse.
Prefer loss to unjust gain.
Prevention is better than cure.
Pride goes before, and shame comes after.
Promise is debt.
Proverbs are the daughters of daily experience.
Pull the chestnut out of fire.
Put the cart before the horse.
Put your shoulder to the wheel.
Reading enriches the mind.
Reading is to the mind while exercise to the body.
Respect yourself, or no one else will respect you.
Rome is not built in a day.
Saying is one thing and doing another.
Seeing is believing.
Seek the truth from facts.
Send a wise man on an errand, and say nothing to him.
Set a thief to catch a thief.