Old age is in itself a disease.

Old foxes want no tutors.

Old men's children are rarely of good constitution.

Once a buffoon, never a good father of a family.

Once a handmaid never a lady.

Once a priest, always a priest.

Once in each man's life fortune smiles.

One against whom accusations when made are easily believed.

One beast easily recognizes another.

One bird in the hand is worth four in the air.

One butcher fears not many sheep.

One has woven the thread, another has drawn it forth. [One man invents, another develops the idea.)

One hour to-day is worth two to-morrow.

One house cannot keep two dogs.

One lawsuit begets another.

One man excels in one thing, another in another.

One man is no man. [A man is nothing without the aid of others.]

One man must not fight with two.

One man uses his tongue, another his teeth.

One man yawning makes another yawn too.

One man's loss is another man's gain.

One man's meat is another man's poison.

One poison is cured by another.

One that promised better things.

One tree won't hold two robins.