Mad people think others mad.
Make haste in buying land, but not in taking a wife.
Make hay while the sun shines.
Manners make the man.
Many a little make a mickle.
Many will show the proper way after the carriage (variant: ox cart) has overturned. [Many seem to be wise with advice after the event.]
Many will throw stones at red apples [To make them fall down and then eat them also.]
Marriage is no playhouse.
May God grant one luck of the ugly.
Measure is treasure. [Sound moderation (sound measure) in many things helps.]
Measure twice, cut but once.
Men are not all alike.
Men love to hear well of themselves.
Men make houses, women make homes.
Mercy to the criminal may be cruelty to the people.
Misfortune arrives on horseback but departs on foot.
Money does not always help.
Money is needed both by monk and dervish.
Money will come to one who trusts in his art [Art and craft].
Never answer a question until it is asked.
Never catch at a falling knife or a falling friend.
Never cross a bridge till you come to it.
Never hit a man when he's down.
Never judge from appearance.
Never marry for money, you'll borrow it cheaper.
Never swap horses in midstream.
Never trifle with love.
Never trust a spiteful man.
Never venture out of your depth till you can swim.
No day so clear but has dark clouds.
No home is complete without a woman.
No man is his craft's master the first day.
No matter how far you have gone on the wrong road, it's time to stop.*
No smoke will come out from a place where there is no fire.
None so blind as those that will not see.
Not every fault is to be reminded.
Not every flower is for smelling. [It may not be discerning to flirt with every pretty girl around.]
Not every one's inner self and outer appearance are the same. Everyone's faults are not written on their foreheads.
Not everything that shines is gold.
Nothing enters into a close hand.
Nothing has no savour.
Now is now, and then was then.
Of all crafts, to be an honest man is the master craft.
Of savings comes having.
Old age is sickness of itself.
Old birds are not caught with chaff.
Old churches have dim windows.
Old shoes are easiest.
Old sins cast long shadows.
Old vessels must leak.
Old young, young old. [i.e. If a person seems oldish in his childhood, he may become childish in his old as if to make up for it.]
One bad person harms seven districts.
One can not carry two watermelons under one armpit
One can rarely be too careful.*
One cannot eat the cake and have it. [You cannot have it both ways.]
One can't enter heaven by worshiping, one needs to have a pure heart.
One cock is enough for five hens.
One does not burn a blanket to get rid of a flea.
One does not cut cloth for a yet unborn child. [A caution not to invest or risk a lot based on assumptions.]
One does not cut cloth for a yet unborn child.
One does not descend into a well by a rotten rope.
One does not despair of desires.
One doesn't need a guide to a village that is in sight.
One eats while another watches - that is how revolutions are begun.
One foot is better than two crutches.
One good forewit is worth two afterwits.
One good turn deserves another.
One is often blind to the faults in one's own work.
One man's fault is another man's lesson.
One man's loss is another man's gain.
One may know by your nose what pottage you love.
One must do a job after careful thinking.
One must treat inferiors with reserved politeness, or probably they will take liberties.
One nail drives out another.
One needs muscles of iron to fight against love.
One pays for what one does. [As they brew, so let them drink.]
One rotten apple soon spoils the whole basket.*
One scabbed sheep will mar the whole flock.
One scabby sheep mars the whole flock.
One searches for someone else's donkey while singing songs.
One should measure a thousand times and cut once. [You may be too careful.*]
One should not betray a trust.
One topic leads to another.
One who handles honey, licks his fingers. [Somebody in charge of handling money or resources, may enjoy some benefits from it.]
One who handles honey, licks his fingers.
One who is afraid of debts does not open his door wide. [A person who wants to avoid debts is careful with his expenses and with his generosity.]
One's mouth is nearer than that of a dear one. [Partial]
Other times, other manners.
Our neighbour's ground yields better corn than ours. [Said to be a common distortion - fairness and candid observation may be called for, unless it is used humorously.]